[libcxx-commits] [libcxx] 4f7fa06 - [libcxx] [test] Add XFAIL LIBCXX-WINDOWS-FIXME in 124 tests that fail in the future CI configuration
Martin Storsjö via libcxx-commits
libcxx-commits at lists.llvm.org
Mon Mar 22 14:41:24 PDT 2021
Author: Martin Storsjö
Date: 2021-03-22T23:41:11+02:00
New Revision: 4f7fa06a666a2ff2107892c6a4737a82062e1feb
URL: https://github.com/llvm/llvm-project/commit/4f7fa06a666a2ff2107892c6a4737a82062e1feb
DIFF: https://github.com/llvm/llvm-project/commit/4f7fa06a666a2ff2107892c6a4737a82062e1feb.diff
LOG: [libcxx] [test] Add XFAIL LIBCXX-WINDOWS-FIXME in 124 tests that fail in the future CI configuration
This makes no attempt yet to look into the why/what for each of them,
but makes the CI configuration useful for tracking further regressions.
After looking into each case, they can either be fixed, or converted
into UNSUPPORTED: windows or XFAIL: windows, once the cause is known
and explained.
A number of the filesystem cases can be fixed by patches that are
currently in review.
Differential Revision: https://reviews.llvm.org/D99095
Added:
Modified:
libcxx/test/libcxx/debug/extern-templates.sh.cpp
libcxx/test/libcxx/diagnostics/nodiscard_extensions.pass.cpp
libcxx/test/libcxx/include_as_c.sh.cpp
libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp
libcxx/test/libcxx/language.support/has_aligned_alloc.compile.pass.cpp
libcxx/test/libcxx/language.support/has_timespec_get.compile.pass.cpp
libcxx/test/libcxx/language.support/support.rtti/type.info/type_info.comparison.merged.sh.cpp
libcxx/test/libcxx/memory/trivial_abi/unique_ptr_destruction_order.pass.cpp
libcxx/test/libcxx/memory/trivial_abi/unique_ptr_ret.pass.cpp
libcxx/test/libcxx/memory/trivial_abi/weak_ptr_ret.pass.cpp
libcxx/test/libcxx/modules/stdint_h_exports.compile.pass.cpp
libcxx/test/libcxx/selftest/dsl/dsl.sh.py
libcxx/test/std/depr/depr.c.headers/stdlib_h.pass.cpp
libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp
libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/path.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/assign.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/refresh.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/replace_filename.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_size.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_type_obs.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/hard_link_count.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/last_write_time.pass.cpp
libcxx/test/std/input.output/filesystems/class.directory_iterator/directory_iterator.members/ctor.pass.cpp
libcxx/test/std/input.output/filesystems/class.path/path.member/path.append.pass.cpp
libcxx/test/std/input.output/filesystems/class.path/path.member/path.assign/move.pass.cpp
libcxx/test/std/input.output/filesystems/class.path/path.member/path.concat.pass.cpp
libcxx/test/std/input.output/filesystems/class.path/path.member/path.construct/move.pass.cpp
libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/ctor.pass.cpp
libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.copy_file/copy_file.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.create_directory/create_directory_with_attributes.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.exists/exists.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_block_file/is_block_file.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_char_file/is_character_file.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_directory/is_directory.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_empty/is_empty.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_fifo/is_fifo.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_other/is_other.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_regular_file/is_regular_file.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_symlink/is_symlink.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove/remove.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/remove_all.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.status/status.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.symlink_status/symlink_status.pass.cpp
libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.temp_dir_path/temp_directory_path.pass.cpp
libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cerr.sh.cpp
libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/clog.sh.cpp
libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cout.sh.cpp
libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.cpp
libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wclog.sh.cpp
libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcout.sh.cpp
libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/set_new_handler.pass.cpp
libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp
libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
libcxx/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
libcxx/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
libcxx/test/std/language.support/support.limits/support.limits.general/istream.version.pass.cpp
libcxx/test/std/language.support/support.limits/support.limits.general/locale.version.pass.cpp
libcxx/test/std/language.support/support.limits/support.limits.general/ostream.version.pass.cpp
libcxx/test/std/language.support/support.runtime/cstdlib.pass.cpp
libcxx/test/std/language.support/support.runtime/ctime.pass.cpp
libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/compare.pass.cpp
libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/hash.pass.cpp
libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/compare.pass.cpp
libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/hash.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.dtor/dtor.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.statics/classic_table.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_1.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_many.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_is.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_not.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_1.pass.cpp
libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_many.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_en_US.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_ru_RU.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_zh_CN.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_string_en_US.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_en_US.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_fr_FR.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_ru_RU.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_zh_CN.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_string_en_US.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/curr_symbol.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/grouping.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/neg_format.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/pos_format.pass.cpp
libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/thousands_sep.pass.cpp
libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.pass.cpp
libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one_wide.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.put.byname/put1.pass.cpp
libcxx/test/std/localization/locale.categories/category.time/locale.time.put/locale.time.put.members/put2.pass.cpp
libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/grouping.pass.cpp
libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/thousands_sep.pass.cpp
libcxx/test/std/localization/locales/locale/locale.operators/compare.pass.cpp
libcxx/test/std/re/re.traits/isctype.pass.cpp
libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp
libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pass.cpp
libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pred.pass.cpp
libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/noncopyable_return_type.pass.cpp
libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_storage.pass.cpp
libcxx/test/std/utilities/time/date.time/ctime.pass.cpp
libcxx/test/std/utilities/time/time.clock/time.clock.file/now.pass.cpp
Removed:
################################################################################
diff --git a/libcxx/test/libcxx/debug/extern-templates.sh.cpp b/libcxx/test/libcxx/debug/extern-templates.sh.cpp
index 0e19895ba8f0a..3e8e0b766be32 100644
--- a/libcxx/test/libcxx/debug/extern-templates.sh.cpp
+++ b/libcxx/test/libcxx/debug/extern-templates.sh.cpp
@@ -14,6 +14,8 @@
// UNSUPPORTED: libcxx-no-debug-mode
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// RUN: %{cxx} %{flags} %{compile_flags} %s %{link_flags} -fPIC -DTU1 -D_LIBCPP_DEBUG=1 -fvisibility=hidden -shared -o %t.lib
// RUN: cd %T && %{cxx} %{flags} %{compile_flags} %s ./%basename_t.tmp.lib %{link_flags} -fPIC -DTU2 -D_LIBCPP_DEBUG=1 -fvisibility=hidden -o %t.exe
// RUN: %{exec} %t.exe
diff --git a/libcxx/test/libcxx/diagnostics/nodiscard_extensions.pass.cpp b/libcxx/test/libcxx/diagnostics/nodiscard_extensions.pass.cpp
index cfb7054d3e2d4..db8eb3357966a 100644
--- a/libcxx/test/libcxx/diagnostics/nodiscard_extensions.pass.cpp
+++ b/libcxx/test/libcxx/diagnostics/nodiscard_extensions.pass.cpp
@@ -18,6 +18,8 @@
// UNSUPPORTED: apple-clang-9
// UNSUPPORTED: gcc-5
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// All entities to which libc++ applies [[nodiscard]] as an extension should
// be tested here and in nodiscard_extensions.fail.cpp. They should also
// be listed in `UsingLibcxx.rst` in the documentation for the extension.
diff --git a/libcxx/test/libcxx/include_as_c.sh.cpp b/libcxx/test/libcxx/include_as_c.sh.cpp
index 60e0a26ed5768..bbdcd022940b4 100644
--- a/libcxx/test/libcxx/include_as_c.sh.cpp
+++ b/libcxx/test/libcxx/include_as_c.sh.cpp
@@ -14,6 +14,8 @@
// file as C, but we're passing C++ flags on the command-line.
// UNSUPPORTED: gcc
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// Test that the C wrapper headers can be included when compiling them as C.
// NOTE: It's not common or recommended to have libc++ in the header search
diff --git a/libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp b/libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp
index 5a5735934e95f..44f90b019223a 100644
--- a/libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp
+++ b/libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp
@@ -9,6 +9,8 @@
// UNSUPPORTED: c++03
// ADDITIONAL_COMPILE_FLAGS: -I %S/../../../../../../src/filesystem
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/libcxx/language.support/has_aligned_alloc.compile.pass.cpp b/libcxx/test/libcxx/language.support/has_aligned_alloc.compile.pass.cpp
index d1b41de5dc1a9..5e863717ea39f 100644
--- a/libcxx/test/libcxx/language.support/has_aligned_alloc.compile.pass.cpp
+++ b/libcxx/test/libcxx/language.support/has_aligned_alloc.compile.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// Make sure TEST_HAS_ALIGNED_ALLOC (defined by the test suite) and
// _LIBCPP_HAS_ALIGNED_ALLOC (defined by libc++) stay in sync.
diff --git a/libcxx/test/libcxx/language.support/has_timespec_get.compile.pass.cpp b/libcxx/test/libcxx/language.support/has_timespec_get.compile.pass.cpp
index 8b86a5ef97195..a68a7eaf85253 100644
--- a/libcxx/test/libcxx/language.support/has_timespec_get.compile.pass.cpp
+++ b/libcxx/test/libcxx/language.support/has_timespec_get.compile.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// Make sure TEST_HAS_TIMESPEC_GET (defined by the test suite) and
// _LIBCPP_HAS_TIMESPEC_GET (defined by libc++) stay in sync.
diff --git a/libcxx/test/libcxx/language.support/support.rtti/type.info/type_info.comparison.merged.sh.cpp b/libcxx/test/libcxx/language.support/support.rtti/type.info/type_info.comparison.merged.sh.cpp
index da80337f90bda..cd742a6f09075 100644
--- a/libcxx/test/libcxx/language.support/support.rtti/type.info/type_info.comparison.merged.sh.cpp
+++ b/libcxx/test/libcxx/language.support/support.rtti/type.info/type_info.comparison.merged.sh.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: no-rtti
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu1.o -DTU1 -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1
// RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu2.o -DTU2 -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1
// RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.main.o -DMAIN -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1
diff --git a/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_destruction_order.pass.cpp b/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_destruction_order.pass.cpp
index 980349866a987..47bc940b27e24 100644
--- a/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_destruction_order.pass.cpp
+++ b/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_destruction_order.pass.cpp
@@ -17,6 +17,8 @@
// There were assertion failures in both parse and codegen, which are fixed in clang 11.
// UNSUPPORTED: gcc, clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <memory>
#include <cassert>
diff --git a/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_ret.pass.cpp b/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_ret.pass.cpp
index 73fe18becc3a9..b4bc4f8f9349d 100644
--- a/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_ret.pass.cpp
+++ b/libcxx/test/libcxx/memory/trivial_abi/unique_ptr_ret.pass.cpp
@@ -15,6 +15,8 @@
// There were assertion failures in both parse and codegen, which are fixed in clang 11.
// UNSUPPORTED: gcc, clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <memory>
#include <cassert>
diff --git a/libcxx/test/libcxx/memory/trivial_abi/weak_ptr_ret.pass.cpp b/libcxx/test/libcxx/memory/trivial_abi/weak_ptr_ret.pass.cpp
index e69c94506f2af..b61b0f6b468a7 100644
--- a/libcxx/test/libcxx/memory/trivial_abi/weak_ptr_ret.pass.cpp
+++ b/libcxx/test/libcxx/memory/trivial_abi/weak_ptr_ret.pass.cpp
@@ -15,6 +15,8 @@
// There were assertion failures in both parse and codegen, which are fixed in clang 11.
// UNSUPPORTED: gcc, clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <memory>
#include <cassert>
diff --git a/libcxx/test/libcxx/modules/stdint_h_exports.compile.pass.cpp b/libcxx/test/libcxx/modules/stdint_h_exports.compile.pass.cpp
index 2b1997a24e6d3..ad59b3ce82cd7 100644
--- a/libcxx/test/libcxx/modules/stdint_h_exports.compile.pass.cpp
+++ b/libcxx/test/libcxx/modules/stdint_h_exports.compile.pass.cpp
@@ -17,6 +17,8 @@
// REQUIRES: modules-support
// ADDITIONAL_COMPILE_FLAGS: -fmodules
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <stdint.h>
int main(int, char**) {
diff --git a/libcxx/test/libcxx/selftest/dsl/dsl.sh.py b/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
index 0393190df53c1..2cbb0616523c6 100644
--- a/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
+++ b/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
@@ -6,6 +6,8 @@
#
#===----------------------------------------------------------------------===##
+# XFAIL: LIBCXX-WINDOWS-FIXME
+
# Note: We prepend arguments with 'x' to avoid thinking there are too few
# arguments in case an argument is an empty string.
# RUN: %{python} %s x%S \
diff --git a/libcxx/test/std/depr/depr.c.headers/stdlib_h.pass.cpp b/libcxx/test/std/depr/depr.c.headers/stdlib_h.pass.cpp
index 295f51807d41f..8dd15c9e27c3c 100644
--- a/libcxx/test/std/depr/depr.c.headers/stdlib_h.pass.cpp
+++ b/libcxx/test/std/depr/depr.c.headers/stdlib_h.pass.cpp
@@ -8,6 +8,8 @@
// test <stdlib.h>
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <stdlib.h>
#include <type_traits>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp
index 72d85323893a2..69ab2788d77c2 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp
@@ -8,6 +8,8 @@
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <fstream>
// int_type overflow(int_type c = traits::eof());
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp
index 0d1f7a384a9e4..1954ffa5aa290 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp
@@ -9,6 +9,8 @@
// REQUIRES: locale.en_US.UTF-8
// FILE_DEPENDENCIES: underflow.dat, underflow_utf8.dat
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <fstream>
// int_type underflow();
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/path.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/path.pass.cpp
index a118fae4d54b1..f91d87e9b6d4a 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/path.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.cons/path.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/assign.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/assign.pass.cpp
index e35a77cc7ba0a..13eb082285826 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/assign.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/assign.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/refresh.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/refresh.pass.cpp
index 282d979fe02c5..89e30b500b3e5 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/refresh.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/refresh.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/replace_filename.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/replace_filename.pass.cpp
index b545f465ce0e6..13fe77787ccd3 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/replace_filename.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.mods/replace_filename.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_size.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_size.pass.cpp
index 1d0e6f1b8bab6..740089c8e1496 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_size.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_size.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_type_obs.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_type_obs.pass.cpp
index 52c6afa39494f..fbf1bec73e111 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_type_obs.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/file_type_obs.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/hard_link_count.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/hard_link_count.pass.cpp
index 078dd35a00d4c..b1a6c8edcba20 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/hard_link_count.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/hard_link_count.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/last_write_time.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/last_write_time.pass.cpp
index 10050fb4f2114..04dc6ab11e3c0 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/last_write_time.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_entry/directory_entry.obs/last_write_time.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_entry
diff --git a/libcxx/test/std/input.output/filesystems/class.directory_iterator/directory_iterator.members/ctor.pass.cpp b/libcxx/test/std/input.output/filesystems/class.directory_iterator/directory_iterator.members/ctor.pass.cpp
index fae696613c75e..306b65267aca0 100644
--- a/libcxx/test/std/input.output/filesystems/class.directory_iterator/directory_iterator.members/ctor.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.directory_iterator/directory_iterator.members/ctor.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_iterator
diff --git a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.append.pass.cpp b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.append.pass.cpp
index b1290e301f6b7..201cb99e6481a 100644
--- a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.append.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.append.pass.cpp
@@ -11,6 +11,8 @@
// These tests require locale for non-char paths
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class path
diff --git a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.assign/move.pass.cpp b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.assign/move.pass.cpp
index 82f5248e9f31a..144966c690a4a 100644
--- a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.assign/move.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.assign/move.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class path
diff --git a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.concat.pass.cpp b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.concat.pass.cpp
index 5446610af383b..c09d60d28e2c2 100644
--- a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.concat.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.concat.pass.cpp
@@ -11,6 +11,8 @@
// These tests require locale for non-char paths
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class path
diff --git a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.construct/move.pass.cpp b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.construct/move.pass.cpp
index a0418d8661a4b..bf63f702305ed 100644
--- a/libcxx/test/std/input.output/filesystems/class.path/path.member/path.construct/move.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.path/path.member/path.construct/move.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class path
diff --git a/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/ctor.pass.cpp b/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/ctor.pass.cpp
index 53ca5737ba31f..4b28130a85d07 100644
--- a/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/ctor.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/ctor.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class directory_iterator
diff --git a/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp b/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp
index 795c3ce0b3029..f2fde11ddb160 100644
--- a/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// class recursive_directory_iterator
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.copy_file/copy_file.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.copy_file/copy_file.pass.cpp
index dfccfb28ea118..6a70685612308 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.copy_file/copy_file.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.copy_file/copy_file.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool copy_file(const path& from, const path& to);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.create_directory/create_directory_with_attributes.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.create_directory/create_directory_with_attributes.pass.cpp
index cd436d9c6fb14..353ecf873f46f 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.create_directory/create_directory_with_attributes.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.create_directory/create_directory_with_attributes.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// This test requires the dylib support introduced in D92769.
// XFAIL: with_system_cxx_lib=macosx10.15
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.exists/exists.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.exists/exists.pass.cpp
index d198d136b21ea..fd3a63b0eaeaf 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.exists/exists.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.exists/exists.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool exists(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_block_file/is_block_file.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_block_file/is_block_file.pass.cpp
index 157e4f33acb0c..3a5f9458b7d50 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_block_file/is_block_file.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_block_file/is_block_file.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_block_file(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_char_file/is_character_file.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_char_file/is_character_file.pass.cpp
index fcef134c9bba1..99ccf2b886ecd 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_char_file/is_character_file.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_char_file/is_character_file.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_character_file(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_directory/is_directory.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_directory/is_directory.pass.cpp
index 1508ee4dc6baf..e24f193385041 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_directory/is_directory.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_directory/is_directory.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_directory(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_empty/is_empty.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_empty/is_empty.pass.cpp
index 8cbdf13b7b73b..6b051d5d3ae46 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_empty/is_empty.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_empty/is_empty.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_empty(path const& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_fifo/is_fifo.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_fifo/is_fifo.pass.cpp
index 585a9e201c708..c7d11e8017b51 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_fifo/is_fifo.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_fifo/is_fifo.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_fifo(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_other/is_other.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_other/is_other.pass.cpp
index 7475c86e67f29..a3e812d82399c 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_other/is_other.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_other/is_other.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_other(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_regular_file/is_regular_file.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_regular_file/is_regular_file.pass.cpp
index bcff7f77c37ba..0635c98abb08e 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_regular_file/is_regular_file.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_regular_file/is_regular_file.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_regular_file(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp
index 589c0e66151e6..b45e8f07086f4 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_socket(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_symlink/is_symlink.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_symlink/is_symlink.pass.cpp
index a4fa057fa1dc4..a0f0468d2e23b 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_symlink/is_symlink.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_symlink/is_symlink.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool is_symlink(file_status s) noexcept
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp
index c3b6c9af9598f..fd7a5f2bc7cc8 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// file_time_type last_write_time(const path& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
index d7a8c8a82a82c..aa2e0920bc48e 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// void permissions(const path& p, perms prms,
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
index 944092fa4ff0f..9e28c7f8548c1 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// path proximate(const path& p, error_code &ec)
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove/remove.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove/remove.pass.cpp
index ef962bb98a7f6..017da8f8c6117 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove/remove.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove/remove.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// bool remove(const path& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/remove_all.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/remove_all.pass.cpp
index 8dadf96883a21..c94726fff555e 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/remove_all.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/remove_all.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// uintmax_t remove_all(const path& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.status/status.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.status/status.pass.cpp
index 726e89cbb66e5..881ea162e505a 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.status/status.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.status/status.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// file_status status(const path& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.symlink_status/symlink_status.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.symlink_status/symlink_status.pass.cpp
index b9c072acdc2e9..3976e69d2c5dd 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.symlink_status/symlink_status.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.symlink_status/symlink_status.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// file_status symlink_status(const path& p);
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.temp_dir_path/temp_directory_path.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.temp_dir_path/temp_directory_path.pass.cpp
index 28331c77b9a54..3cc60a26092f2 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.temp_dir_path/temp_directory_path.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.temp_dir_path/temp_directory_path.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <filesystem>
// path temp_directory_path();
diff --git a/libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp b/libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
index 36868adabe2e7..a2934b21826d8 100644
--- a/libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
@@ -12,6 +12,8 @@
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <iomanip>
#include <istream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp b/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
index 5c896892b5a14..acb4552e20e25 100644
--- a/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
@@ -12,6 +12,8 @@
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <iomanip>
#include <ostream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cerr.sh.cpp b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cerr.sh.cpp
index b14323d9fd1e3..bb6c64fa4e0c1 100644
--- a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cerr.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cerr.sh.cpp
@@ -10,6 +10,8 @@
// istream cerr;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// FILE_DEPENDENCIES: ../check-stderr.sh
// RUN: %{build}
// RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
diff --git a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/clog.sh.cpp b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/clog.sh.cpp
index 6e69ae3426e80..884f34598ce88 100644
--- a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/clog.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/clog.sh.cpp
@@ -10,6 +10,8 @@
// istream clog;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// FILE_DEPENDENCIES: ../check-stderr.sh
// RUN: %{build}
// RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
diff --git a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cout.sh.cpp b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cout.sh.cpp
index 171ac74593e8a..809f2ce3783cf 100644
--- a/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cout.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/narrow.stream.objects/cout.sh.cpp
@@ -12,6 +12,8 @@
// istream cout;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// FILE_DEPENDENCIES: ../check-stdout.sh
// RUN: %{build}
// RUN: %{exec} bash check-stdout.sh "%t.exe" "1234"
diff --git a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.cpp b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.cpp
index 5d705e7a569c9..64ef28536dda6 100644
--- a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcerr.sh.cpp
@@ -10,6 +10,8 @@
// istream wcerr;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// FILE_DEPENDENCIES: ../check-stderr.sh
// RUN: %{build}
// RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
diff --git a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wclog.sh.cpp b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wclog.sh.cpp
index ada106449c3b4..07c6a2540a17d 100644
--- a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wclog.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wclog.sh.cpp
@@ -10,6 +10,8 @@
// istream wclog;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// FILE_DEPENDENCIES: ../check-stderr.sh
// RUN: %{build}
// RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
diff --git a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcout.sh.cpp b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcout.sh.cpp
index 0d3306bf62da0..babdc3b510fd4 100644
--- a/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcout.sh.cpp
+++ b/libcxx/test/std/input.output/iostream.objects/wide.stream.objects/wcout.sh.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
// XFAIL: libcpp-has-no-stdout
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <iostream>
diff --git a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
index d20a65d8b6b48..b62d09c03e0a8 100644
--- a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
@@ -8,6 +8,8 @@
// test get_new_handler
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <new>
#include <cassert>
diff --git a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/set_new_handler.pass.cpp b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/set_new_handler.pass.cpp
index b0becc9efe8c4..ce27cec6b3149 100644
--- a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/set_new_handler.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/set_new_handler.pass.cpp
@@ -8,6 +8,8 @@
// test set_new_handler
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <new>
#include <cassert>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
index 55dc5c7533403..543ee52063256 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
@@ -9,6 +9,7 @@
// test operator new[]
// NOTE: asan and msan will not call the new handler.
// UNSUPPORTED: sanitizer-new-delete
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <new>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
index ce8b18d043641..9f68b5d13832e 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
@@ -9,6 +9,7 @@
// test operator new [] (nothrow)
// NOTE: asan and msan will not call the new handler.
// UNSUPPORTED: sanitizer-new-delete
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <new>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp
index 448da1717900e..906df9fc7a639 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp
@@ -10,6 +10,7 @@
// asan and msan will not call the new handler.
// UNSUPPORTED: sanitizer-new-delete
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
index dfdf7d77e8016..4aaf52f4f7c11 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
@@ -10,6 +10,7 @@
// asan and msan will not call the new handler.
// UNSUPPORTED: sanitizer-new-delete
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
index c48a1894eada5..a590f429fb000 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
@@ -13,6 +13,8 @@
// <complex>
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// Test the feature test macros defined by <complex>
/* Constant Value
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
index c361569cb1d6d..d28fa4cecda60 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
@@ -12,6 +12,7 @@
// clang-format off
// UNSUPPORTED: libcpp-has-no-filesystem-library
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <filesystem>
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/istream.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/istream.version.pass.cpp
index 9ea01ebe06dff..1c0d3255d13dc 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/istream.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/istream.version.pass.cpp
@@ -12,6 +12,7 @@
// clang-format off
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <istream>
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/locale.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/locale.version.pass.cpp
index f9620763c7629..20065fe19acb9 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/locale.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/locale.version.pass.cpp
@@ -12,6 +12,7 @@
// clang-format off
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <locale>
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/ostream.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/ostream.version.pass.cpp
index 586cd8ec6d571..6b729bc09eb01 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/ostream.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/ostream.version.pass.cpp
@@ -12,6 +12,7 @@
// clang-format off
// UNSUPPORTED: libcpp-has-no-localization
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <ostream>
diff --git a/libcxx/test/std/language.support/support.runtime/cstdlib.pass.cpp b/libcxx/test/std/language.support/support.runtime/cstdlib.pass.cpp
index 668213f84838c..f2ff89db31c4c 100644
--- a/libcxx/test/std/language.support/support.runtime/cstdlib.pass.cpp
+++ b/libcxx/test/std/language.support/support.runtime/cstdlib.pass.cpp
@@ -8,6 +8,8 @@
// test <cstdlib>
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <cstdlib>
#include <type_traits>
#include <cassert>
diff --git a/libcxx/test/std/language.support/support.runtime/ctime.pass.cpp b/libcxx/test/std/language.support/support.runtime/ctime.pass.cpp
index df827793a1282..d52581dd81bd2 100644
--- a/libcxx/test/std/language.support/support.runtime/ctime.pass.cpp
+++ b/libcxx/test/std/language.support/support.runtime/ctime.pass.cpp
@@ -8,6 +8,8 @@
// test <ctime>
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <ctime>
#include <type_traits>
#include "test_macros.h"
diff --git a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/compare.pass.cpp b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/compare.pass.cpp
index 32c63633ae8bf..792292dc927a0 100644
--- a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/compare.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/compare.pass.cpp
@@ -24,6 +24,8 @@
// it.
// XFAIL: linux-gnu
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <string>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/hash.pass.cpp b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/hash.pass.cpp
index eaad7a901bfdb..dbf50c12ff2ea 100644
--- a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/hash.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate.byname/hash.pass.cpp
@@ -8,6 +8,8 @@
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// template <class charT> class collate_byname
diff --git a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/compare.pass.cpp b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/compare.pass.cpp
index df657da29143c..0a255a5b64f76 100644
--- a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/compare.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/compare.pass.cpp
@@ -13,6 +13,8 @@
// int compare(const charT* low1, const charT* high1,
// const charT* low2, const charT* high2) const;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/hash.pass.cpp b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/hash.pass.cpp
index b555805a078be..2858ab02bffe2 100644
--- a/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/hash.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.collate/locale.collate/locale.collate.members/hash.pass.cpp
@@ -14,6 +14,8 @@
// This test is not portable
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <string>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.dtor/dtor.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.dtor/dtor.pass.cpp
index 4296212dacb16..b5fe59b0d9d68 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.dtor/dtor.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.dtor/dtor.pass.cpp
@@ -12,6 +12,8 @@
// ~ctype();
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.statics/classic_table.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.statics/classic_table.pass.cpp
index c824b1bd28ffe..8f8e02c2b2b5c 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.statics/classic_table.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/facet.ctype.special/facet.ctype.char.statics/classic_table.pass.cpp
@@ -12,6 +12,8 @@
// static const mask* classic_table() throw();
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_1.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_1.pass.cpp
index 77ba7bd9f436d..d033ec99870cd 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_1.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_1.pass.cpp
@@ -13,6 +13,7 @@
// bool is(mask m, charT c) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <type_traits>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_many.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_many.pass.cpp
index 31994fc5eb700..97ffeb2f7c60d 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_many.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/is_many.pass.cpp
@@ -13,6 +13,7 @@
// const charT* do_is(const charT* low, const charT* high, mask* vec) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <string>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
index 6e4b15a48040e..b819b62431956 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
@@ -8,6 +8,7 @@
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_CA.ISO8859-1
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
index 0c2d477fbf253..3f8e538782e3a 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
@@ -8,6 +8,7 @@
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_CA.ISO8859-1
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_is.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_is.pass.cpp
index 02388b84bcfeb..2329d9bdadeb4 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_is.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_is.pass.cpp
@@ -13,6 +13,7 @@
// const charT* scan_is(mask m, const charT* low, const charT* high) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <string>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_not.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_not.pass.cpp
index 6bfb6b7a69f29..39e1bd5db30f2 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_not.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/scan_not.pass.cpp
@@ -13,6 +13,7 @@
// const charT* scan_not(mask m, const charT* low, const charT* high) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <string>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_1.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_1.pass.cpp
index 1327e7e01bc8f..2d096e9f7f572 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_1.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_1.pass.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_many.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_many.pass.cpp
index f1a30dd9605bf..3550c5474f5b3 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_many.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.ctype.byname/widen_many.pass.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_en_US.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_en_US.pass.cpp
index 2fe66a5c6b790..b9c96f2feb79f 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_en_US.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_en_US.pass.cpp
@@ -14,6 +14,7 @@
// ios_base::iostate& err, long double& v) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <ios>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp
index f7041f96675d1..77ee90eda0d44 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.fr_FR.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_ru_RU.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_ru_RU.pass.cpp
index 2f734284a9051..a6829d0ecbb7c 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_ru_RU.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_ru_RU.pass.cpp
@@ -15,6 +15,8 @@
// Possibly related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16006
// XFAIL: linux
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.ru_RU.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_zh_CN.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_zh_CN.pass.cpp
index f75a0bbb3df88..632006c676e2d 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_zh_CN.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_zh_CN.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.zh_CN.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_string_en_US.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_string_en_US.pass.cpp
index 5cb20dfe4f71e..2288cf5d1bd24 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_string_en_US.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_string_en_US.pass.cpp
@@ -14,6 +14,7 @@
// ios_base::iostate& err, string_type& v) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <ios>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_en_US.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_en_US.pass.cpp
index 46135895bc07e..bf47e1427364f 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_en_US.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_en_US.pass.cpp
@@ -14,6 +14,7 @@
// long double units) const;
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
#include <locale>
#include <ios>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_fr_FR.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_fr_FR.pass.cpp
index 837f542a9e621..6b233430250aa 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_fr_FR.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_fr_FR.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.fr_FR.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_ru_RU.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_ru_RU.pass.cpp
index 2b82d61139c80..1d73718709f60 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_ru_RU.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_ru_RU.pass.cpp
@@ -15,6 +15,8 @@
// Possibly related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16006
// XFAIL: linux
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.ru_RU.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_zh_CN.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_zh_CN.pass.cpp
index d33d40bcebef5..b8cc831f15a5c 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_zh_CN.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_long_double_zh_CN.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.zh_CN.UTF-8
// <locale>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_string_en_US.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_string_en_US.pass.cpp
index b0f5351746dcf..a0602502463b9 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_string_en_US.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.money.put/locale.money.put.members/put_string_en_US.pass.cpp
@@ -15,6 +15,8 @@
// REQUIRES: locale.en_US.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <ios>
#include <streambuf>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/curr_symbol.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/curr_symbol.pass.cpp
index 983a3db6a197b..df0d538442155 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/curr_symbol.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/curr_symbol.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/grouping.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/grouping.pass.cpp
index 77a9fbf798a82..53e54c2b89df1 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/grouping.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/grouping.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/neg_format.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/neg_format.pass.cpp
index 9381a50922848..5cb42164da10a 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/neg_format.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/neg_format.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
index 8dfa00a7253e9..19ae001550144 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
@@ -11,6 +11,8 @@
// REQUIRES: locale.ru_RU.UTF-8
// REQUIRES: locale.zh_CN.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class moneypunct_byname<charT, International>
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/pos_format.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/pos_format.pass.cpp
index aab5fd99f3c83..225c2464b70e3 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/pos_format.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/pos_format.pass.cpp
@@ -11,6 +11,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/thousands_sep.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/thousands_sep.pass.cpp
index 0a06657d0c65e..e360124c42f27 100644
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/thousands_sep.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/thousands_sep.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_MONETARY at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.pass.cpp b/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.pass.cpp
index 474f9ce571877..c653d54f1c0fb 100644
--- a/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.pass.cpp
@@ -12,6 +12,8 @@
// iter_type put(iter_type s, ios_base& iob, char_type fill, double v) const;
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <ios>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.pass.cpp b/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.pass.cpp
index fcb7aafa48ac9..a7bcacb7408f2 100644
--- a/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.pass.cpp
@@ -15,6 +15,8 @@
// TODO GLIBC uses a
diff erent string for positive and negative NAN numbers.
// XFAIL: linux-gnu
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <locale>
#include <ios>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
index 526f4b8e69a7e..da872e69d8dc3 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
@@ -18,6 +18,8 @@
// GLIBC also fails on the zh_CN test.
// XFAIL: linux
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class time_get_byname<charT, InputIterator>
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
index c9f6a35016dec..b8e04e19bd065 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
@@ -18,6 +18,8 @@
// GLIBC also fails on the zh_CN test.
// XFAIL: linux
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class time_get_byname<charT, InputIterator>
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp
index 648c079bdf3de..56f8d035b53a3 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp
@@ -10,6 +10,8 @@
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.zh_CN.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class time_get_byname<charT, InputIterator>
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp
index d851574f7631e..a4c6375447813 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_TIME at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one_wide.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one_wide.pass.cpp
index de81236503e4d..78960cb4cb26c 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one_wide.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one_wide.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_TIME at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ru_RU.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp
index 648a01b3cc147..9f2c30a32cdcc 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp
@@ -11,6 +11,8 @@
// REQUIRES: locale.ru_RU.UTF-8
// REQUIRES: locale.zh_CN.UTF-8
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class time_get_byname<charT, InputIterator>
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.put.byname/put1.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.put.byname/put1.pass.cpp
index 210a9aefa6754..8daf3405d86b5 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.put.byname/put1.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.put.byname/put1.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_TIME at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.put/locale.time.put.members/put2.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.put/locale.time.put.members/put2.pass.cpp
index 14bfeb7217698..20b3f4337d68a 100644
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.put/locale.time.put.members/put2.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.put/locale.time.put.members/put2.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// class time_put<charT, OutputIterator>
diff --git a/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/grouping.pass.cpp b/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/grouping.pass.cpp
index 4dbc7e7b8f2a9..3bd1c855ea916 100644
--- a/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/grouping.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/grouping.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_NUMERIC at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
diff --git a/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/thousands_sep.pass.cpp b/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/thousands_sep.pass.cpp
index 620408ef82d1e..627bc6a7fa8a6 100644
--- a/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/thousands_sep.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/facet.numpunct/locale.numpunct.byname/thousands_sep.pass.cpp
@@ -9,6 +9,8 @@
// NetBSD does not support LC_NUMERIC at the moment
// XFAIL: netbsd
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// REQUIRES: locale.en_US.UTF-8
// REQUIRES: locale.fr_FR.UTF-8
diff --git a/libcxx/test/std/localization/locales/locale/locale.operators/compare.pass.cpp b/libcxx/test/std/localization/locales/locale/locale.operators/compare.pass.cpp
index 0710e28c558fb..001d834adc751 100644
--- a/libcxx/test/std/localization/locales/locale/locale.operators/compare.pass.cpp
+++ b/libcxx/test/std/localization/locales/locale/locale.operators/compare.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <locale>
// template <class charT, class Traits, class Allocator>
diff --git a/libcxx/test/std/re/re.traits/isctype.pass.cpp b/libcxx/test/std/re/re.traits/isctype.pass.cpp
index 8c0b07988d6e7..3563f8a37fd3a 100644
--- a/libcxx/test/std/re/re.traits/isctype.pass.cpp
+++ b/libcxx/test/std/re/re.traits/isctype.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <regex>
// template <class charT> struct regex_traits;
diff --git a/libcxx/test/std/re/re.traits/lookup_classname.pass.cpp b/libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
index 63ae0ca598f66..31d93cbed8c78 100644
--- a/libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
+++ b/libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <regex>
// template <class charT> struct regex_traits;
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp
index 36276b01b92fc..64bbe1b941a7a 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp
@@ -8,6 +8,8 @@
//
// UNSUPPORTED: libcpp-has-no-threads
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <thread>
// class thread
diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pass.cpp
index 9c51b3ac39f30..079dfaa57c96b 100644
--- a/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <functional>
// default searcher
diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pred.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pred.pass.cpp
index 8ad0fe32d8d9b..c24e792eb9b9e 100644
--- a/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pred.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.default/default.pred.pass.cpp
@@ -10,6 +10,8 @@
// UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// default searcher
// template<class _ForwardIterator, class _BinaryPredicate = equal_to<>>
// class default_searcher {
diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
index 494b243759a5b..b872915cc1da4 100644
--- a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <functional>
// class function<R(ArgTypes...)>
diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/noncopyable_return_type.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/noncopyable_return_type.pass.cpp
index ce84cc1fd8396..ee8469a07d028 100644
--- a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/noncopyable_return_type.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/noncopyable_return_type.pass.cpp
@@ -8,6 +8,8 @@
// UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <functional>
#include <functional>
diff --git a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_storage.pass.cpp b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_storage.pass.cpp
index 5aa9354e2ae0a..592a34a513d26 100644
--- a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_storage.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_storage.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// type_traits
// aligned_storage
diff --git a/libcxx/test/std/utilities/time/date.time/ctime.pass.cpp b/libcxx/test/std/utilities/time/date.time/ctime.pass.cpp
index 8ad3cca4758e0..4a1fda01353bf 100644
--- a/libcxx/test/std/utilities/time/date.time/ctime.pass.cpp
+++ b/libcxx/test/std/utilities/time/date.time/ctime.pass.cpp
@@ -6,6 +6,8 @@
//
//===----------------------------------------------------------------------===//
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
#include <ctime>
#include <type_traits>
diff --git a/libcxx/test/std/utilities/time/time.clock/time.clock.file/now.pass.cpp b/libcxx/test/std/utilities/time/time.clock/time.clock.file/now.pass.cpp
index 9bc047771d6dd..a8f8472064363 100644
--- a/libcxx/test/std/utilities/time/time.clock/time.clock.file/now.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.clock/time.clock.file/now.pass.cpp
@@ -17,6 +17,8 @@
// UNSUPPORTED: with_system_cxx_lib=macosx10.10
// UNSUPPORTED: with_system_cxx_lib=macosx10.9
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
// <chrono>
// file_clock
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