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These tests fail for a --disable-wchar_t build. libstdc++-v3/ChangeLog: * testsuite/22_locale/conversions/buffer/1.cc: Check _GLIBCXX_USE_WCHAR_T. * testsuite/22_locale/conversions/buffer/3.cc: Likewise. Add test using char16_t. * testsuite/22_locale/conversions/string/1.cc: Check _GLIBCXX_USE_WCHAR_T. * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise. * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Likewise. * testsuite/27_io/filesystem/path/native/alloc.cc: Likewise. * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Likewise. * testsuite/27_io/filesystem/path/native/string.cc: Likewise. * testsuite/28_regex/algorithms/regex_match/extended/wstring_locale.cc: Likewise. * testsuite/experimental/filesystem/path/generic/generic_string.cc: Likewise. * testsuite/experimental/filesystem/path/native/alloc.cc: Likewise. * testsuite/experimental/filesystem/path/native/string-char8_t.cc: Likewise. * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.