https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47679
--- Comment #31 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Sun Sep 20 06:37:39 2015 New Revision: 227942 URL: https://gcc.gnu.org/viewcvs?rev=227942&root=gcc&view=rev Log: [PATCH] Fix 47679 by improving jump threading PR tree-optimization/47679 * tree-ssa-dom.c (record_temporary_equivalences): No longer static. * tree-ssa-dom.h (record_temporary_equivalences): Add prototype. * tree-ssa-threadedge.c: Include tree-ssa-dom.h. (thread_through_normal_block): Use record_temporary_equivalences. PR tree-optimization/47679 * g++.dg/warn/Wuninitialized-6.C: New test. Added: trunk/gcc/testsuite/g++.dg/warn/Wuninitialized-6.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-dom.c trunk/gcc/tree-ssa-dom.h trunk/gcc/tree-ssa-threadedge.c