https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 115900, which changed state.
Bug 115900 Summary: [14 Regression] constexpr object modification during construction gives "Modifying a const object is not allowed in a constant expression" https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115900 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED