https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82915
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-11-09 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. Note this trivially applies to all open-coded intrinsics not using __builtin_ia32_* calls, marking those constexpr would require significant work (work that might be useful anyways for optimization, of course).