https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91456
--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-12 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:db206f15f7091382cb981ade3c75f4c3e3559ab8 commit r12-8930-gdb206f15f7091382cb981ade3c75f4c3e3559ab8 Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Sep 23 13:28:37 2022 +0100 libstdc++: Fix std::is_nothrow_invocable_r for uncopyable prvalues [PR91456] This is the last missing piece of PR 91456. This also removes the only use of the C++11 version of std::is_nothrow_invocable. libstdc++-v3/ChangeLog: PR libstdc++/91456 * include/std/type_traits (__is_nothrow_invocable): Remove. (__is_invocable_impl::__nothrow_type): New member type which checks if the conversion can throw. (__is_nt_invocable_impl): Replace class template with alias template to __is_nt_invocable_impl::__nothrow_type. * testsuite/20_util/is_nothrow_invocable/91456.cc: New test. * testsuite/20_util/is_nothrow_convertible/value.cc: Remove macro used by value_ext.cc test. * testsuite/20_util/is_nothrow_convertible/value_ext.cc: Remove test for non-standard __is_nothrow_invocable trait. (cherry picked from commit 71c828f84572d933979468baf2cf744180258ee4)
