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[ATFE] Remove Downstream Change #378 #631

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Merged
merged 3 commits into from
Dec 1, 2025
Merged

[ATFE] Remove Downstream Change #378 #631

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3fb4818
[ATFE] Remove Downstream Change which enables fstream independently o…
simpal01 Dec 1, 2025
a4003ba
[ATFE] Remove Downstream Change #378
simpal01 Dec 1, 2025
0db328b
fixup! [ATFE] Remove Downstream Change #378
simpal01 Dec 1, 2025
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3 changes: 1 addition & 2 deletions libcxx/include/fstream
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Expand Up @@ -191,8 +191,7 @@ typedef basic_fstream<wchar_t> wfstream;
#else
# include <__config>

// Downstream issue: #375 (Enable fstream independently of filesystem)
# if _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION || defined(_NEWLIB_VERSION)
# if _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION

# include <__algorithm/max.h>
# include <__assert>
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3 changes: 1 addition & 2 deletions libcxx/src/ios.instantiations.cpp
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Expand Up @@ -37,8 +37,7 @@ template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_stringstream<char>
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_ostringstream<char>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_istringstream<char>;

// Downstream issue: #375 (Enable fstream independently of filesystem)
#if _LIBCPP_HAS_FILESYSTEM || defined(_NEWLIB_VERSION)
#if _LIBCPP_HAS_FILESYSTEM
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_ifstream<char>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_ofstream<char>;
template class _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS basic_filebuf<char>;
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3 changes: 1 addition & 2 deletions libcxx/src/ostream.cpp
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Expand Up @@ -8,8 +8,7 @@

#include <__config>

// Downstream issue: #375 (Enable fstream independently of filesystem)
#if _LIBCPP_HAS_FILESYSTEM || defined(_NEWLIB_VERSION)
#if _LIBCPP_HAS_FILESYSTEM
# include <fstream>
#endif
#include <ostream>
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/filebuf.members/native_handle.pass.cpp
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Expand Up @@ -13,8 +13,6 @@
// class basic_filebuf;

// native_handle_type native_handle() const noexcept;
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <cassert>
#include <fstream>
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp
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Expand Up @@ -14,8 +14,6 @@
// XFAIL: (!c++03 && !c++11 && !c++14 && !c++17 && !c++20) && using-built-library-before-llvm-18

// XFAIL: LIBCXX-AIX-FIXME
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <fstream>
#include <cassert>
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3 changes: 0 additions & 3 deletions libcxx/test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp
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Expand Up @@ -18,9 +18,6 @@

// XFAIL: LIBCXX-AIX-FIXME

// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <fstream>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/fstream.members/native_handle.pass.cpp
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Expand Up @@ -13,8 +13,6 @@
// class basic_fstream;

// native_handle_type native_handle() const noexcept;
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include "test_macros.h"
#include "../native_handle_test_helpers.h"
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/fstream.members/open_pointer.pass.cpp
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Expand Up @@ -17,8 +17,6 @@
// XFAIL: (!c++03 && !c++11 && !c++14 && !c++17 && !c++20) && using-built-library-before-llvm-18

// XFAIL: LIBCXX-AIX-FIXME
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <fstream>
#include <cassert>
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/ifstream.members/native_handle.pass.cpp
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Expand Up @@ -13,8 +13,6 @@
// class basic_ifstream;

// native_handle_type native_handle() const noexcept;
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include "test_macros.h"
#include "../native_handle_test_helpers.h"
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3 changes: 0 additions & 3 deletions libcxx/test/std/input.output/file.streams/fstreams/ifstream.members/offset_range.pass.cpp
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Expand Up @@ -26,9 +26,6 @@
// meaning it can represent file sizes up to 2GB (2^31 bytes) only.
//
// UNSUPPORTED: target=armv7-unknown-linux-gnueabihf
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal


#include <fstream>
#include <iostream>
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3 changes: 0 additions & 3 deletions libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
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Expand Up @@ -18,9 +18,6 @@

// XFAIL: LIBCXX-AIX-FIXME

// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <fstream>
#include <cassert>
#include <ios>
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/ofstream.members/native_handle.pass.cpp
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Expand Up @@ -13,8 +13,6 @@
// class basic_ofstream;

// native_handle_type native_handle() const noexcept;
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include "test_macros.h"
#include "../native_handle_test_helpers.h"
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2 changes: 0 additions & 2 deletions libcxx/test/std/input.output/file.streams/fstreams/ofstream.members/open_pointer.pass.cpp
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Expand Up @@ -17,8 +17,6 @@
// XFAIL: (!c++03 && !c++11 && !c++14 && !c++17 && !c++20) && using-built-library-before-llvm-18

// XFAIL: LIBCXX-AIX-FIXME
// Downstream issue: #375 (Enable fstream independently of filesystem)
// UNSUPPORTED: baremetal

#include <fstream>
#include <cassert>
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4 changes: 0 additions & 4 deletions libcxx/test/std/input.output/file.streams/lit.local.cfg
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Expand Up @@ -2,10 +2,6 @@
if "no-localization" in config.available_features:
config.unsupported = True

# Downstream issue: #375 (Enable fstream independently of filesystem)
#if "no-filesystem" in config.available_features:
# config.unsupported = True

# Downstream issue: #375 (Enable fstream independently of filesystem)
if 'none' in config.target_triple:
config.available_features.add('baremetal')
13 changes: 0 additions & 13 deletions libcxx/test/support/platform_support.h
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Expand Up @@ -40,10 +40,6 @@
# include <io.h> // _mktemp_s
# include <fcntl.h> // _O_EXCL, ...
# include <sys/stat.h> // _S_IREAD, ...
// Downstream issue: #375 (Enable fstream independently of filesystem)
#elif defined(_NEWLIB_VERSION)
// No need to include extra headers for the get_temp_file_name() implementation
// below: tmpnam() is defined in <stdio.h>
#elif __has_include(<unistd.h>)
# include <unistd.h> // close
#endif
Expand Down Expand Up @@ -74,15 +70,6 @@ inline std::string get_temp_file_name() {
continue;
abort();
}
// Downstream issue: #375 (Enable fstream independently of filesystem)
#elif defined(_NEWLIB_VERSION)
char tmp_name[L_tmpnam];
char *ret = tmpnam(tmp_name);
if (ret == NULL) {
perror("tmpnam");
abort();
}
return std::string(ret);
#elif !__has_include(<unistd.h>)
// Without `unistd.h` we cannot guarantee that the file is unused, however we
// can simply generate a good guess in the temporary folder and create it.
Expand Down
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