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libstdc++: Fix <iosfwd> synopsis test

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The <syncstream> header is only supported for the cxx11 ABI. The
declarations of basic_syncbuf, basic_osyncstream, syncbuf and
osyncstream were already correctly guarded by a check for
_GLIBCXX_USE_CXX11_ABI, but the wsyncbuf and wosyncstream declarations
were not.

libstdc++-v3/ChangeLog:

	* testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and
	wosyncstream depend on _GLIBCXX_USE_CXX11_ABI.

(cherry picked from commit f9f05e483984bf89fec7778aaa55ece8ba2a86bb)
This commit is contained in:
Jonathan Wakely 2023-07-03 19:33:18 +01:00
parent c17539d71b
commit d2c737c40c
1 changed files with 1 additions and 1 deletions
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libstdc++-v3/testsuite/27_io/headers/iosfwd/synopsis.cc
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@ -115,7 +115,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
#if __cplusplus >= 202002L
#if __cplusplus >= 202002L && _GLIBCXX_USE_CXX11_ABI
typedef basic_syncbuf<wchar_t> wsyncbuf;
typedef basic_osyncstream<wchar_t> wosyncstream;
#endif