https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67077
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I believe this has been fixed with 2015-07-23 Richard Biener <rguent...@suse.de> PR middle-end/66916 * match.pd: Guard widen and sign-change comparison simplification with single_use.