https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 49171, which changed state.
Bug 49171 Summary: [C++0x][constexpr] Constant expressions support reinterpret_cast https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49171 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED