https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33315
--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Richard Biener from comment #12) > Created attachment 48279 [details] > patch > > Patch forward ported to current trunk. Surprisingly small fallout: FAIL: gcc.dg/tree-ssa/split-path-7.c scan-tree-dump-times split-paths "Duplicating join block" 0 I've thought the approach is too simplistic but I'll do some statistics over bootstrap in stage1 and push it if it looks useful - we certainly have more "hackish" optimization pieces.