https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89194
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- The g++9 -std=c++2a -fconcepts -pthread gcc9_stdcpp2a.ii libgtest.a libgtest_main.a and g++9 -std=c++2a -fconcepts -pthread gcc9_stdcpp2a.ii libgtest.a libgtest_main.a command lines above are identical. So, does it fail or succeed in that case?