https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 109946, which changed state.
Bug 109946 Summary: [c++modules] linker error undefined reference to `vtable for std::bad_expected_access<void>' https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109946 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED