https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70413
ethortsen at itg dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ethortsen at itg dot com --- Comment #1 from ethortsen at itg dot com --- Bumping this. We ran into a similar issue in GCC 6.3.0 on x86_64. We've ran the example provided by Fabian under GCC 6.3.0 on x86_64 and see the same unexpected result.