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PR libstdc++/64649 * include/bits/regex.tcc (regex_traits<>::lookup_collatename, regex_traits<>::lookup_classname): Correctly narrow input chars. * testsuite/28_regex/traits/wchar_t/user_defined.cc: New testcase. From-SVN: r219986
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.