https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78879
Yuan Pengfei <coolypf at qq dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED CC| |law at redhat dot com Resolution|DUPLICATE |--- --- Comment #7 from Yuan Pengfei <coolypf at qq dot com> --- After some binary search, I figure out that this bug is a regression since r226516 . Here are the related patches: https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01856.html https://gcc.gnu.org/ml/gcc-patches/2015-08/msg00096.html