https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86369
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org, | |rguenth at gcc dot gnu.org --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- So, either those match.pd rules should be marked #ifdef GIMPLE only, or perhaps we should have some flag whether C++ constexpr evaluation is in progress and allow some foldings if GENERIC only if C++ constexpr evaluation is not in progress?