https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84552
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Mar 26 11:18:26 2019 New Revision: 269939 URL: https://gcc.gnu.org/viewcvs?rev=269939&root=gcc&view=rev Log: 2019-03-26 Richard Biener <rguent...@suse.de> Backport from mainline 2019-01-08 Richard Biener <rguent...@suse.de> PR tree-optimization/86554 * tree-ssa-sccvn.c (visit_nary_op): When value-numbering to expressions with different overflow behavior make sure there's an available expression on the path. * gcc.dg/torture/pr86554-1.c: New testcase. * gcc.dg/torture/pr86554-2.c: Likewise. 2018-11-20 Richard Biener <rguent...@suse.de> PR tree-optimization/88105 * tree-ssa-dom.c (pass_dominator::execute): Do not walk backedges. * gcc.dg/gomp/pr88105.c: New testcase. 2018-03-08 Richard Biener <rguent...@suse.de> PR middle-end/84552 * tree-scalar-evolution.c: Include tree-into-ssa.h. (follow_copies_to_constant): Do not follow SSA names registered for update. * gcc.dg/graphite/pr84552.c: New testcase. Added: branches/gcc-7-branch/gcc/testsuite/gcc.dg/gomp/pr88105.c branches/gcc-7-branch/gcc/testsuite/gcc.dg/graphite/pr84552.c branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr86554-1.c branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr86554-2.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/testsuite/ChangeLog branches/gcc-7-branch/gcc/tree-scalar-evolution.c branches/gcc-7-branch/gcc/tree-ssa-dom.c branches/gcc-7-branch/gcc/tree-ssa-sccvn.c
