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PR libstdc++/89446 * include/bits/char_traits.h (__constant_char_array): Check index is in range before dereferencing. (char_traits<char>::compare, char_traits<char>::find) (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return immediately if n is zero. (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise. Remove workarounds for PR 67026. * testsuite/21_strings/basic_string_view/operators/char/89446.cc: New test. * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc: New test. From-SVN: r269148
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.