[libcxx-commits] [libcxx] [libc++][C++03] cherry-pick #101889 (PR #157881)
Nikolas Klauser via libcxx-commits
libcxx-commits at lists.llvm.org
Thu Sep 11 01:15:26 PDT 2025
https://github.com/philnik777 updated https://github.com/llvm/llvm-project/pull/157881
>From 026767fe8873eac80bbbe9c44871aa1be7361b36 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Wed, 10 Sep 2025 17:36:38 +0200
Subject: [PATCH] [libc++][C++03] cherry-pick #101889
---
libcxx/include/__cxx03/fstream | 43 +++++++++++--------
libcxx/include/__cxx03/ios | 3 +-
libcxx/include/__cxx03/sstream | 32 +++++++-------
libcxx/include/__cxx03/string | 4 +-
.../fstreams/fstream.cons/default.pass.cpp | 2 -
.../fstreams/fstream.cons/move.pass.cpp | 2 -
.../fstreams/fstream.cons/pointer.pass.cpp | 2 -
.../fstreams/fstream.cons/string.pass.cpp | 2 -
.../fstreams/ifstream.cons/default.pass.cpp | 2 -
.../fstreams/ifstream.cons/move.pass.cpp | 2 -
.../fstreams/ifstream.cons/pointer.pass.cpp | 2 -
.../fstreams/ifstream.cons/string.pass.cpp | 2 -
.../fstreams/ofstream.cons/default.pass.cpp | 2 -
.../fstreams/ofstream.cons/move.pass.cpp | 2 -
.../fstreams/ofstream.cons/pointer.pass.cpp | 2 -
.../fstreams/ofstream.cons/string.pass.cpp | 2 -
.../ios/basic.ios.members/copyfmt.pass.cpp | 2 -
.../istringstream.cons/default.pass.cpp | 2 -
.../istringstream.cons/move.pass.cpp | 2 -
.../istringstream.cons/string.pass.cpp | 2 -
.../ostringstream.cons/default.pass.cpp | 2 -
.../ostringstream.cons/move.pass.cpp | 2 -
.../ostringstream.cons/string.pass.cpp | 2 -
.../stringstream.cons/default.pass.cpp | 2 -
.../stringstream.cons/move.pass.cpp | 2 -
.../stringstream.cons/string.pass.cpp | 2 -
26 files changed, 46 insertions(+), 80 deletions(-)
diff --git a/libcxx/include/__cxx03/fstream b/libcxx/include/__cxx03/fstream
index 44bdabc4602b5..65c2c3e975032 100644
--- a/libcxx/include/__cxx03/fstream
+++ b/libcxx/include/__cxx03/fstream
@@ -191,6 +191,7 @@ typedef basic_fstream<wchar_t> wfstream;
#include <__cxx03/__config>
#include <__cxx03/__fwd/fstream.h>
#include <__cxx03/__locale>
+#include <__cxx03/__memory/addressof.h>
#include <__cxx03/__type_traits/enable_if.h>
#include <__cxx03/__type_traits/is_same.h>
#include <__cxx03/__utility/move.h>
@@ -1062,11 +1063,12 @@ private:
};
template <class _CharT, class _Traits>
-inline basic_ifstream<_CharT, _Traits>::basic_ifstream() : basic_istream<char_type, traits_type>(&__sb_) {}
+inline basic_ifstream<_CharT, _Traits>::basic_ifstream()
+ : basic_istream<char_type, traits_type>(std::addressof(__sb_)) {}
template <class _CharT, class _Traits>
inline basic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base::openmode __mode)
- : basic_istream<char_type, traits_type>(&__sb_) {
+ : basic_istream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::in) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1074,15 +1076,16 @@ inline basic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
template <class _CharT, class _Traits>
inline basic_ifstream<_CharT, _Traits>::basic_ifstream(const wchar_t* __s, ios_base::openmode __mode)
- : basic_istream<char_type, traits_type>(&__sb_) {
+ : basic_istream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::in) == nullptr)
this->setstate(ios_base::failbit);
}
# endif
+// extension
template <class _CharT, class _Traits>
inline basic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::openmode __mode)
- : basic_istream<char_type, traits_type>(&__sb_) {
+ : basic_istream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::in) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1090,7 +1093,7 @@ inline basic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_ba
template <class _CharT, class _Traits>
inline basic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs)
: basic_istream<char_type, traits_type>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- this->set_rdbuf(&__sb_);
+ this->set_rdbuf(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
@@ -1113,7 +1116,7 @@ inline _LIBCPP_HIDE_FROM_ABI void swap(basic_ifstream<_CharT, _Traits>& __x, bas
template <class _CharT, class _Traits>
inline basic_filebuf<_CharT, _Traits>* basic_ifstream<_CharT, _Traits>::rdbuf() const {
- return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_);
+ return const_cast<basic_filebuf<char_type, traits_type>*>(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
@@ -1199,11 +1202,12 @@ private:
};
template <class _CharT, class _Traits>
-inline basic_ofstream<_CharT, _Traits>::basic_ofstream() : basic_ostream<char_type, traits_type>(&__sb_) {}
+inline basic_ofstream<_CharT, _Traits>::basic_ofstream()
+ : basic_ostream<char_type, traits_type>(std::addressof(__sb_)) {}
template <class _CharT, class _Traits>
inline basic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base::openmode __mode)
- : basic_ostream<char_type, traits_type>(&__sb_) {
+ : basic_ostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::out) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1211,15 +1215,16 @@ inline basic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
template <class _CharT, class _Traits>
inline basic_ofstream<_CharT, _Traits>::basic_ofstream(const wchar_t* __s, ios_base::openmode __mode)
- : basic_ostream<char_type, traits_type>(&__sb_) {
+ : basic_ostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::out) == nullptr)
this->setstate(ios_base::failbit);
}
# endif
+// extension
template <class _CharT, class _Traits>
inline basic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::openmode __mode)
- : basic_ostream<char_type, traits_type>(&__sb_) {
+ : basic_ostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode | ios_base::out) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1227,7 +1232,7 @@ inline basic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_ba
template <class _CharT, class _Traits>
inline basic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs)
: basic_ostream<char_type, traits_type>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- this->set_rdbuf(&__sb_);
+ this->set_rdbuf(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
@@ -1250,7 +1255,7 @@ inline _LIBCPP_HIDE_FROM_ABI void swap(basic_ofstream<_CharT, _Traits>& __x, bas
template <class _CharT, class _Traits>
inline basic_filebuf<_CharT, _Traits>* basic_ofstream<_CharT, _Traits>::rdbuf() const {
- return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_);
+ return const_cast<basic_filebuf<char_type, traits_type>*>(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
@@ -1340,11 +1345,12 @@ private:
};
template <class _CharT, class _Traits>
-inline basic_fstream<_CharT, _Traits>::basic_fstream() : basic_iostream<char_type, traits_type>(&__sb_) {}
+inline basic_fstream<_CharT, _Traits>::basic_fstream()
+ : basic_iostream<char_type, traits_type>(std::addressof(__sb_)) {}
template <class _CharT, class _Traits>
inline basic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::openmode __mode)
- : basic_iostream<char_type, traits_type>(&__sb_) {
+ : basic_iostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1352,7 +1358,7 @@ inline basic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
template <class _CharT, class _Traits>
inline basic_fstream<_CharT, _Traits>::basic_fstream(const wchar_t* __s, ios_base::openmode __mode)
- : basic_iostream<char_type, traits_type>(&__sb_) {
+ : basic_iostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode) == nullptr)
this->setstate(ios_base::failbit);
}
@@ -1360,15 +1366,16 @@ inline basic_fstream<_CharT, _Traits>::basic_fstream(const wchar_t* __s, ios_bas
template <class _CharT, class _Traits>
inline basic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openmode __mode)
- : basic_iostream<char_type, traits_type>(&__sb_) {
+ : basic_iostream<char_type, traits_type>(std::addressof(__sb_)) {
if (__sb_.open(__s, __mode) == nullptr)
this->setstate(ios_base::failbit);
}
+// extension
template <class _CharT, class _Traits>
inline basic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs)
: basic_iostream<char_type, traits_type>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- this->set_rdbuf(&__sb_);
+ this->set_rdbuf(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
@@ -1391,7 +1398,7 @@ inline _LIBCPP_HIDE_FROM_ABI void swap(basic_fstream<_CharT, _Traits>& __x, basi
template <class _CharT, class _Traits>
inline basic_filebuf<_CharT, _Traits>* basic_fstream<_CharT, _Traits>::rdbuf() const {
- return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_);
+ return const_cast<basic_filebuf<char_type, traits_type>*>(std::addressof(__sb_));
}
template <class _CharT, class _Traits>
diff --git a/libcxx/include/__cxx03/ios b/libcxx/include/__cxx03/ios
index 7c522909e6428..aa03ce348b624 100644
--- a/libcxx/include/__cxx03/ios
+++ b/libcxx/include/__cxx03/ios
@@ -218,6 +218,7 @@ storage-class-specifier const error_category& iostream_category() noexcept;
# include <__cxx03/__fwd/ios.h>
# include <__cxx03/__ios/fpos.h>
# include <__cxx03/__locale>
+# include <__cxx03/__memory/addressof.h>
# include <__cxx03/__system_error/error_category.h>
# include <__cxx03/__system_error/error_code.h>
# include <__cxx03/__system_error/error_condition.h>
@@ -696,7 +697,7 @@ inline _LIBCPP_HIDE_FROM_ABI _CharT basic_ios<_CharT, _Traits>::fill(char_type _
template <class _CharT, class _Traits>
basic_ios<_CharT, _Traits>& basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) {
- if (this != &__rhs) {
+ if (this != std::addressof(__rhs)) {
__call_callbacks(erase_event);
ios_base::copyfmt(__rhs);
__tie_ = __rhs.__tie_;
diff --git a/libcxx/include/__cxx03/sstream b/libcxx/include/__cxx03/sstream
index de56cd99553e2..44c2423a6e1fa 100644
--- a/libcxx/include/__cxx03/sstream
+++ b/libcxx/include/__cxx03/sstream
@@ -713,18 +713,19 @@ private:
public:
// [istringstream.cons] Constructors:
- _LIBCPP_HIDE_FROM_ABI basic_istringstream() : basic_istream<_CharT, _Traits>(&__sb_), __sb_(ios_base::in) {}
+ _LIBCPP_HIDE_FROM_ABI basic_istringstream()
+ : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::in) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(ios_base::openmode __wch)
- : basic_istream<_CharT, _Traits>(&__sb_), __sb_(__wch | ios_base::in) {}
+ : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::in) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_istringstream(const string_type& __s, ios_base::openmode __wch = ios_base::in)
- : basic_istream<_CharT, _Traits>(&__sb_), __sb_(__s, __wch | ios_base::in) {}
+ : basic_istream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::in) {}
basic_istringstream(const basic_istringstream&) = delete;
_LIBCPP_HIDE_FROM_ABI basic_istringstream(basic_istringstream&& __rhs)
: basic_istream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
+ basic_istream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_));
}
// [istringstream.assign] Assign and swap:
@@ -741,7 +742,7 @@ public:
// [istringstream.members] Member functions:
_LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const {
- return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
+ return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_));
}
_LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); }
@@ -774,18 +775,19 @@ private:
public:
// [ostringstream.cons] Constructors:
- _LIBCPP_HIDE_FROM_ABI basic_ostringstream() : basic_ostream<_CharT, _Traits>(&__sb_), __sb_(ios_base::out) {}
+ _LIBCPP_HIDE_FROM_ABI basic_ostringstream()
+ : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::out) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(ios_base::openmode __wch)
- : basic_ostream<_CharT, _Traits>(&__sb_), __sb_(__wch | ios_base::out) {}
+ : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch | ios_base::out) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_ostringstream(const string_type& __s, ios_base::openmode __wch = ios_base::out)
- : basic_ostream<_CharT, _Traits>(&__sb_), __sb_(__s, __wch | ios_base::out) {}
+ : basic_ostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch | ios_base::out) {}
basic_ostringstream(const basic_ostringstream&) = delete;
_LIBCPP_HIDE_FROM_ABI basic_ostringstream(basic_ostringstream&& __rhs)
: basic_ostream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
+ basic_ostream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_));
}
// [ostringstream.assign] Assign and swap:
@@ -803,7 +805,7 @@ public:
// [ostringstream.members] Member functions:
_LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const {
- return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
+ return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_));
}
_LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); }
@@ -836,19 +838,19 @@ private:
public:
// [stringstream.cons] constructors
_LIBCPP_HIDE_FROM_ABI basic_stringstream()
- : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(ios_base::in | ios_base::out) {}
+ : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(ios_base::in | ios_base::out) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(ios_base::openmode __wch)
- : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(__wch) {}
+ : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__wch) {}
_LIBCPP_HIDE_FROM_ABI explicit basic_stringstream(const string_type& __s,
ios_base::openmode __wch = ios_base::in | ios_base::out)
- : basic_iostream<_CharT, _Traits>(&__sb_), __sb_(__s, __wch) {}
+ : basic_iostream<_CharT, _Traits>(std::addressof(__sb_)), __sb_(__s, __wch) {}
basic_stringstream(const basic_stringstream&) = delete;
_LIBCPP_HIDE_FROM_ABI basic_stringstream(basic_stringstream&& __rhs)
: basic_iostream<_CharT, _Traits>(std::move(__rhs)), __sb_(std::move(__rhs.__sb_)) {
- basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
+ basic_istream<_CharT, _Traits>::set_rdbuf(std::addressof(__sb_));
}
// [stringstream.assign] Assign and swap:
@@ -865,7 +867,7 @@ public:
// [stringstream.members] Member functions:
_LIBCPP_HIDE_FROM_ABI basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const {
- return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
+ return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(std::addressof(__sb_));
}
_LIBCPP_HIDE_FROM_ABI string_type str() const { return __sb_.str(); }
diff --git a/libcxx/include/__cxx03/string b/libcxx/include/__cxx03/string
index 178140486105e..6c43fca08f109 100644
--- a/libcxx/include/__cxx03/string
+++ b/libcxx/include/__cxx03/string
@@ -2866,13 +2866,13 @@ inline void basic_string<_CharT, _Traits, _Allocator>::swap(basic_string& __str)
"swapping non-equal allocators");
if (!__is_long())
__annotate_delete();
- if (this != &__str && !__str.__is_long())
+ if (this != std::addressof(__str) && !__str.__is_long())
__str.__annotate_delete();
std::swap(__r_.first(), __str.__r_.first());
std::__swap_allocator(__alloc(), __str.__alloc());
if (!__is_long())
__annotate_new(__get_short_size());
- if (this != &__str && !__str.__is_long())
+ if (this != std::addressof(__str) && !__str.__is_long())
__str.__annotate_new(__str.__get_short_size());
}
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/default.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/default.pass.cpp
index d2efaf1561631..d15276b440157 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/default.pass.cpp
@@ -13,8 +13,6 @@
// basic_fstream();
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include "test_macros.h"
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
index 153487898e157..95a04bdfccdbc 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp
@@ -13,8 +13,6 @@
// basic_fstream(basic_fstream&& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp
index ca226242773ad..2e0ebcd684d79 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp
@@ -18,8 +18,6 @@
// XFAIL: LIBCXX-AIX-FIXME
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/string.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/string.pass.cpp
index 28cefc77d6a90..ca0921a00b9b6 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/string.pass.cpp
@@ -13,8 +13,6 @@
// explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/default.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/default.pass.cpp
index 256380d2c164a..70d1efca20c65 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/default.pass.cpp
@@ -13,8 +13,6 @@
// basic_ifstream();
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include "test_macros.h"
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
index c8be388f40698..81ec800954cc2 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp
@@ -8,8 +8,6 @@
// FILE_DEPENDENCIES: test.dat
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
// <fstream>
// template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/pointer.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/pointer.pass.cpp
index 711ab2a74b516..6bbe6f1ff7754 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/pointer.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/pointer.pass.cpp
@@ -8,8 +8,6 @@
// FILE_DEPENDENCIES: test.dat
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
// <fstream>
// template <class charT, class traits = char_traits<charT> >
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/string.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/string.pass.cpp
index d4bbb3c0cabfc..e1a9b53da1348 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ifstream.cons/string.pass.cpp
@@ -15,8 +15,6 @@
// explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/default.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/default.pass.cpp
index 4cda1db438342..a7b0918f79365 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/default.pass.cpp
@@ -13,8 +13,6 @@
// basic_ofstream();
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include "test_macros.h"
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
index 501a4c90ca3fe..ec02fa2621c19 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp
@@ -13,8 +13,6 @@
// basic_ofstream(basic_ofstream&& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
index 1b5a55df73717..fbb03f1e85841 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
@@ -18,8 +18,6 @@
// XFAIL: LIBCXX-AIX-FIXME
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
#include <ios>
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
index bb18c88bd326e..33a7e9b2b6f50 100644
--- a/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
@@ -13,8 +13,6 @@
// explicit basic_ofstream(const string& s, ios_base::openmode mode = ios_base::out);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <fstream>
#include <cassert>
#include <ios>
diff --git a/libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/copyfmt.pass.cpp b/libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/copyfmt.pass.cpp
index 768922192038b..d78f7df8f6b5e 100644
--- a/libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/copyfmt.pass.cpp
+++ b/libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/copyfmt.pass.cpp
@@ -15,8 +15,6 @@
// basic_ios& copyfmt(const basic_ios& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <ios>
#include <memory>
#include <streambuf>
diff --git a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/default.pass.cpp b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/default.pass.cpp
index 8cd23d45598b8..8c73df42ae4be 100644
--- a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/default.pass.cpp
@@ -15,8 +15,6 @@
// basic_istringstream() : basic_istringstream(ios_base::in) {} // C++20
// explicit basic_istringstream(ios_base::openmode which); // C++20
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
index 1af3304d08971..00ac7cc6414e9 100644
--- a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.pass.cpp
@@ -13,8 +13,6 @@
// basic_istringstream(basic_istringstream&& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/string.pass.cpp b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/string.pass.cpp
index 7755dd926c2f6..4a5965e7e96e9 100644
--- a/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/string.pass.cpp
@@ -14,8 +14,6 @@
// explicit basic_istringstream(const basic_string<charT,traits,allocator>& str,
// ios_base::openmode which = ios_base::in);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/default.pass.cpp b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/default.pass.cpp
index eb248a7801a3c..a6b98a4e36293 100644
--- a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/default.pass.cpp
@@ -15,8 +15,6 @@
// basic_ostringstream() : basic_ostringstream(ios_base::out) {} // C++20
// explicit basic_ostringstream(ios_base::openmode which); // C++20
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
index 62ece7b63b31c..596a3e7d53584 100644
--- a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp
@@ -13,8 +13,6 @@
// basic_ostringstream(basic_ostringstream&& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/string.pass.cpp b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/string.pass.cpp
index bbec8f79a1862..9e9405ad49217 100644
--- a/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/string.pass.cpp
@@ -14,8 +14,6 @@
// explicit basic_ostringstream(const basic_string<charT,traits,allocator>& str,
// ios_base::openmode which = ios_base::in);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/default.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/default.pass.cpp
index 0e535814ae54e..4f9e7e026c50f 100644
--- a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/default.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/default.pass.cpp
@@ -15,8 +15,6 @@
// basic_stringstream() : basic_stringstream(ios_base::out | ios_base::in) {} // C++20
// explicit basic_stringstream(ios_base::openmode which); // C++20
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/move.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/move.pass.cpp
index e905f5f7c686a..0702d9a278d3c 100644
--- a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/move.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/move.pass.cpp
@@ -13,8 +13,6 @@
// basic_stringstream(basic_stringstream&& rhs);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
diff --git a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/string.pass.cpp b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/string.pass.cpp
index d4fe18afbd28f..08880878361da 100644
--- a/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/string.pass.cpp
+++ b/libcxx/test/std/input.output/string.streams/stringstream/stringstream.cons/string.pass.cpp
@@ -14,8 +14,6 @@
// explicit basic_stringstream(const basic_string<charT,traits,Allocator>& str,
// ios_base::openmode which = ios_base::out|ios_base::in);
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
#include <sstream>
#include <cassert>
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