https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 114219, which changed state.
Bug 114219 Summary: [11/12/13/14 Regression] [expr.const] lvalue-to-rvalue conversion is not diagnosed to disqualify constant expressions for empty classes https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114219 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID
