https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83511
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Nov 28 16:53:35 2018 New Revision: 266568 URL: https://gcc.gnu.org/viewcvs?rev=266568&root=gcc&view=rev Log: PR libstdc++/83511 add default argument to basic_string_view::substr PR libstdc++/83511 * include/std/string_view (basic_string_view::substr): Add default argument to first parameter. * include/experimental/string_view (basic_string_view::substr): Likewise. * testsuite/21_strings/basic_string_view/operations/substr/char/ 83511.cc: New test. * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/ 83511.cc: New test. * testsuite/experimental/string_view/operations/substr/char/83511.cc: New test. * testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc: New test. Added: trunk/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/substr/char/83511.cc trunk/libstdc++-v3/testsuite/21_strings/basic_string_view/operations/substr/wchar_t/83511.cc trunk/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/83511.cc trunk/libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/experimental/string_view trunk/libstdc++-v3/include/std/string_view