https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 125491, which changed state.
Bug 125491 Summary: GCC accepts a constexpr variable whose user-defined copy constructor leaves a subobject uninitialized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125491 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE
