https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65049
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Fri Oct 2 20:08:17 2015 New Revision: 228421 URL: https://gcc.gnu.org/viewcvs?rev=228421&root=gcc&view=rev Log: Backport PR libstdc++/65049 fix from mainline PR libstdc++/65049 * include/bits/char_traits.h (char_traits<char>::compare, char_traits<char>::find, char_traits<char>::move, char_traits<char>::copy, char_traits<char>::assign): Check for zero length. (char_traits<wchar_t>::compare, char_traits<wchar_t>::find, char_traits<wchar_t>::move, char_traits<wchar_t>::copy, char_traits<wchar_t>::assign): Likewise. (char_traits<char16_t>::move, char_traits<char16_t>::copy): Likewise. (char_traits<char32_t>::move, char_traits<char32_t>::copy): Likewise. * include/ext/pod_char_traits.h (char_traits<character<>>::move, char_traits<character<>>::copy): Likewise. * testsuite/21_strings/char_traits/requirements/char/65049.cc: New. * testsuite/21_strings/char_traits/requirements/char16_t/65049.cc: New. * testsuite/21_strings/char_traits/requirements/char32_t/65049.cc: New. * testsuite/21_strings/char_traits/requirements/wchar_t/65049.cc: New. Added: branches/gcc-5-branch/libstdc++-v3/testsuite/21_strings/char_traits/requirements/char/65049.cc branches/gcc-5-branch/libstdc++-v3/testsuite/21_strings/char_traits/requirements/char16_t/65049.cc branches/gcc-5-branch/libstdc++-v3/testsuite/21_strings/char_traits/requirements/char32_t/65049.cc branches/gcc-5-branch/libstdc++-v3/testsuite/21_strings/char_traits/requirements/wchar_t/65049.cc Modified: branches/gcc-5-branch/libstdc++-v3/ChangeLog branches/gcc-5-branch/libstdc++-v3/include/bits/char_traits.h branches/gcc-5-branch/libstdc++-v3/include/ext/pod_char_traits.h
