https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98528
--- Comment #3 from Rainer Orth <ro at gcc dot gnu.org> --- (In reply to Nathan Sidwell from comment #1) > Could you provide the -save-temps .ii files please? I suspect something > different in the solaris system headers. Sure, attached. > it seems to be losing the c++17/2a distinguisher in the test name ... I believe I've seen the same on other failing modules tests on gcc-testresults as well.