https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67239
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at ucw dot cz --- Comment #16 from H.J. Lu <hjl.tools at gmail dot com> --- It was triggered by r222305. It may be a latent bug.