https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70483
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue Sep 12 16:27:09 2017 New Revision: 252031 URL: https://gcc.gnu.org/viewcvs?rev=252031&root=gcc&view=rev Log: PR libstdc++/70483 make std::string_view fully constexpr Backport from mainline 2017-09-11 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/70483 * include/bits/string_view.tcc (basic_string_view::find) (basic_string_view::rfind, basic_string_view::find_first_of) (basic_string_view::find_last_of, basic_string_view::find_first_not_of) (basic_string_view::find_last_not_of): Add constexpr specifier. * include/std/string_view (basic_string_view::operator=) (basic_string_view::rbegin, basic_string_view::rend) (basic_string_view::crbegin, basic_string_view::crend) (basic_string_view::remove_prefix, basic_string_view::remove_suffix) (basic_string_view::swap, basic_string_view::compare) (basic_string_view::find, basic_string_view::rfind) (basic_string_view::find_first_of, basic_string_view::find_last_of) (basic_string_view::find_first_not_of) (basic_string_view::find_last_not_of, basic_string_view::_M_check) (basic_string_view::_M_limit, operator==, operator!=, operator<) (operator>, operator<=, operator>=): Likewise. * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/ char/1.cc: Repeat tests in constexpr context. * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/ wchar_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/ char/1.cc: Likewise. * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/ wchar_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/char/1.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/char/2.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/char/3.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc: Likewise. * testsuite/21_strings/basic_string_view/operators/char/2.cc: Likewise. * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc: Likewise. * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test cbegin, cend, rbegin, rend, crbegin and crend. * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc: Likewise. * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc: Remove trailing whitespace. * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/ 1.cc: Likewise. * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc: New. * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc: New. * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc: New. * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/ 2.cc: New. Added: branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/swap/ branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/swap/char/ branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc - copied, changed from r252030, branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/ branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc - copied, changed from r252030, branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/char/2.cc - copied, changed from r252030, branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc - copied, changed from r252030, branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/char/1.cc Modified: branches/gcc-7-branch/libstdc++-v3/ChangeLog branches/gcc-7-branch/libstdc++-v3/include/bits/string_view.tcc branches/gcc-7-branch/libstdc++-v3/include/std/string_view branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/wchar_t/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/char/2.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/char/3.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operators/char/2.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/char/1.cc branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc
