[libcxx-commits] [libcxx] [libcxx][test] Change UNSUPPORTED to XFAIL in lit tests (PR #81513)
via libcxx-commits
libcxx-commits at lists.llvm.org
Mon Feb 12 11:00:03 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libcxx
Author: Abhina Sree (abhina-sree)
<details>
<summary>Changes</summary>
This is a followup from this discussion https://github.com/llvm/llvm-project/pull/80735#discussion_r1486586017 to mark targets that were initially marked as UNSUPPORTED with an XFAIL instead.
---
Patch is 29.47 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/81513.diff
37 Files Affected:
- (modified) libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp (+1-1)
- (modified) libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp (+1-1)
- (modified) libcxx/test/libcxx/language.support/support.dynamic/new_faligned_allocation.pass.cpp (+1-1)
- (modified) libcxx/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp (+1-1)
- (modified) libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp (+1-1)
- (modified) libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/toctou.pass.cpp (+4-4)
- (modified) libcxx/test/std/language.support/cmp/cmp.alg/strong_order_long_double.verify.cpp (+4-4)
- (modified) libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/delete_align_val_t_replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.indirect.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.indirect.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/nodiscard.verify.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/delete_align_val_t_replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.indirect.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.pass.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/nodiscard.verify.cpp (+1-1)
- (modified) libcxx/test/std/language.support/support.rtti/type.info/type_info.equal.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_length.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_out.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_in.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_length.pass.cpp (+1-1)
- (modified) libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_out.pass.cpp (+1-1)
- (modified) libcxx/test/std/thread/futures/futures.async/async_race.38682.pass.cpp (+1-1)
- (modified) libcxx/test/std/thread/futures/futures.future_error/what.pass.cpp (+1-1)
- (modified) libcxx/test/std/thread/thread.condition/notify_all_at_thread_exit_lwg3343.pass.cpp (+2-2)
- (modified) libcxx/test/std/utilities/format/format.functions/escaped_output.unicode.pass.cpp (+1-1)
- (modified) libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.pass.cpp (+1-1)
- (modified) libcxx/test/std/utilities/format/format.range/format.range.fmtstr/parse.pass.cpp (+1-1)
- (modified) libcxx/test/std/utilities/memory/temporary.buffer/overaligned.pass.cpp (+1-1)
``````````diff
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 0d1bb77583bedb..26703f748d8745 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
@@ -18,7 +18,7 @@
// UNSUPPORTED: windows
// This test assumes that time is stored as a 64 bit value when on MVS it is stored as 32 bit
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
// <filesystem>
diff --git a/libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp b/libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp
index 267f87bd3f6f89..f94ceaf57dbae8 100644
--- a/libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp
+++ b/libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp
@@ -11,7 +11,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
// XFAIL: sanitizer-new-delete && !hwasan
diff --git a/libcxx/test/libcxx/language.support/support.dynamic/new_faligned_allocation.pass.cpp b/libcxx/test/libcxx/language.support/support.dynamic/new_faligned_allocation.pass.cpp
index 9cf1b275abc55c..69c46f00fb65dc 100644
--- a/libcxx/test/libcxx/language.support/support.dynamic/new_faligned_allocation.pass.cpp
+++ b/libcxx/test/libcxx/language.support/support.dynamic/new_faligned_allocation.pass.cpp
@@ -11,7 +11,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
// REQUIRES: -faligned-allocation
// ADDITIONAL_COMPILE_FLAGS: -faligned-allocation
diff --git a/libcxx/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp b/libcxx/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp
index fd863fb2d3fd48..b1a3f86e864377 100644
--- a/libcxx/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp
+++ b/libcxx/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp
@@ -14,7 +14,7 @@
// UNSUPPORTED: c++03
// PR30202 was fixed starting in macosx10.13.
-// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12}}
+// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12}}
// <condition_variable>
diff --git a/libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp b/libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp
index 90313594789676..47741d0851e89f 100644
--- a/libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp
+++ b/libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp
@@ -11,7 +11,7 @@
// Until 58a0a70fb2f1, this_thread::sleep_for could sometimes get interrupted
// by signals and this test would fail spuriously. Disable the test on the
// corresponding system libraries.
-// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11}}
+// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11}}
// ALLOW_RETRIES: 3
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/toctou.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/toctou.pass.cpp
index 637139b81d5461..1c5c584897e0b7 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/toctou.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.remove_all/toctou.pass.cpp
@@ -31,12 +31,12 @@
// This test requires a dylib containing the fix shipped in https://reviews.llvm.org/D118134.
// We use UNSUPPORTED instead of XFAIL because the test might not fail reliably.
-// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
-// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx11.0
-// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx12.{{0|1|2}}
+// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx11.0
+// XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx12.{{0|1|2}}
// Windows doesn't support the necessary APIs to mitigate this issue.
-// UNSUPPORTED: target={{.+}}-windows-{{.+}}
+// XFAIL: target={{.+}}-windows-{{.+}}
#include <cstdio>
#include <filesystem>
diff --git a/libcxx/test/std/language.support/cmp/cmp.alg/strong_order_long_double.verify.cpp b/libcxx/test/std/language.support/cmp/cmp.alg/strong_order_long_double.verify.cpp
index fd16afeefb0331..c9c2ba20021491 100644
--- a/libcxx/test/std/language.support/cmp/cmp.alg/strong_order_long_double.verify.cpp
+++ b/libcxx/test/std/language.support/cmp/cmp.alg/strong_order_long_double.verify.cpp
@@ -10,18 +10,18 @@
// The following platforms have sizeof(long double) == sizeof(double), so this test doesn't apply to them.
// This test does apply to aarch64 where Arm's AAPCS64 is followed. There they are different sizes.
-// UNSUPPORTED: target={{arm64|arm64e|armv(7|8)(l|m)?|powerpc|powerpc64}}-{{.+}}
+// XFAIL: target={{arm64|arm64e|armv(7|8)(l|m)?|powerpc|powerpc64}}-{{.+}}
// MSVC configurations have long double equal to regular double on all
// architectures.
-// UNSUPPORTED: target={{.+}}-pc-windows-msvc
+// XFAIL: target={{.+}}-pc-windows-msvc
// ARM/AArch64 MinGW also has got long double equal to regular double, just
// like MSVC (thus match both MinGW and MSVC here, for those architectures).
-// UNSUPPORTED: target={{aarch64|armv7}}-{{.*}}-windows-{{.+}}
+// XFAIL: target={{aarch64|armv7}}-{{.*}}-windows-{{.+}}
// Android's 32-bit x86 target has long double equal to regular double.
-// UNSUPPORTED: target=i686-{{.+}}-android{{.*}}
+// XFAIL: target=i686-{{.+}}-android{{.*}}
// <compare>
diff --git a/libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp b/libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp
index c1f9f2f6cc6feb..28c72f0be7aed8 100644
--- a/libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/align_val_t.pass.cpp
@@ -12,7 +12,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <type_traits>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/delete_align_val_t_replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/delete_align_val_t_replace.pass.cpp
index 33d5225586b962..60b88ec79248cc 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/delete_align_val_t_replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/delete_align_val_t_replace.pass.cpp
@@ -12,7 +12,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.pass.cpp
index c903c63f68c4ad..dd8090aca5b285 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.indirect.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.indirect.pass.cpp
index 66cbb4b9c8eb61..0b540e09bab3cc 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.indirect.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.indirect.pass.cpp
@@ -17,7 +17,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.pass.cpp
index 4619a71629a7bb..2d021ecb30e793 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align.replace.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.pass.cpp
index 0343d51f184d90..6ae8ceaf534e48 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.indirect.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.indirect.pass.cpp
index f6959172ea24ef..227b20f0b1e18b 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.indirect.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.indirect.pass.cpp
@@ -22,7 +22,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.pass.cpp
index b984e8cf0a43ae..17d38e3de8cd87 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size_align_nothrow.replace.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/nodiscard.verify.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/nodiscard.verify.cpp
index 0f30cf0135a417..509fa98446f80e 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/nodiscard.verify.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/nodiscard.verify.cpp
@@ -19,7 +19,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/delete_align_val_t_replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/delete_align_val_t_replace.pass.cpp
index c2021c5d84e9ce..c346c42f157b02 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/delete_align_val_t_replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/delete_align_val_t_replace.pass.cpp
@@ -12,7 +12,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.pass.cpp
index 93edb32130c3e2..dbb10a76ad9e9b 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.replace.pass.cpp
index 87d061a9d1a3c5..e5ef5f1669752b 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align.replace.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.pass.cpp
index 1c575729678d5c..b9d8ea2f4e4947 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.indirect.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.indirect.pass.cpp
index 2e7fa132890b80..7eab0729f9ef1a 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.indirect.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.indirect.pass.cpp
@@ -21,7 +21,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.pass.cpp
index 3c9e17b0b02be5..9a5b53e039025c 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size_align_nothrow.replace.pass.cpp
@@ -15,7 +15,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
#include <cstddef>
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/nodiscard.verify.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/nodiscard.verify.cpp
index 16d6a223eb5350..3cda8ad9a1e69b 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/nodiscard.verify.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/nodiscard.verify.cpp
@@ -19,7 +19,7 @@
// Libc++ when built for z/OS doesn't contain the aligned allocation functions,
// nor does the dynamic library shipped with z/OS.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <new>
diff --git a/libcxx/test/std/language.support/support.rtti/type.info/type_info.equal.pass.cpp b/libcxx/test/std/language.support/support.rtti/type.info/type_info.equal.pass.cpp
index 3f5dd962619236..1a9a938c2c784f 100644
--- a/libcxx/test/std/language.support/support.rtti/type.info/type_info.equal.pass.cpp
+++ b/libcxx/test/std/language.support/support.rtti/type.info/type_info.equal.pass.cpp
@@ -14,7 +14,7 @@
// When we build for Windows on top of the VC runtime, `typeinfo::operator==` may not
// be `constexpr` (depending on the version of the VC runtime). So this test can fail.
-// UNSUPPORTED: target={{.+}}-windows-msvc && !libcpp-no-vcruntime
+// XFAIL: target={{.+}}-windows-msvc && !libcpp-no-vcruntime
#include <typeinfo>
#include <cassert>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp b/libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
index 9204ea26b9c9f1..9e1d0a1c7bac75 100644
--- a/libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
@@ -20,7 +20,7 @@
// Test is intended to convert between UTF8 and UTF16/32, it will fail on
// z/OS since at default char type on z/OS is EBCDIC character which has
// value different from ASCII character.
-// UNSUPPORTED: target={{.+}}-zos{{.*}}
+// XFAIL: target={{.+}}-zos{{.*}}
#include <locale>
#include <string>
diff --git a/libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_length.pass...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/81513
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