https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99484, which changed state.
Bug 99484 Summary: [modules] ICE same canonical type node for different types ‘void’ and ‘std::__void_t<_Op<_Args ...> >’ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99484 What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |FIXED