https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82781
Marc Glisse <glisse at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |5.4.0 Target Milestone|--- |6.5 Summary|Vector extension operators |[6/7/8 Regression] Vector |return wrong result in |extension operators return |constexpr |wrong result in constexpr --- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- Have to write static_assert( ... ,"") with earlier compilers, but gcc-6 is the first that fails.