https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82128
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Dec 15 08:19:15 2017 New Revision: 255678 URL: https://gcc.gnu.org/viewcvs?rev=255678&root=gcc&view=rev Log: 2017-12-15 Richard Biener <rguent...@suse.de> Backport from mainline 2017-09-05 Richard Biener <rguent...@suse.de> PR tree-optimization/82102 * tree-ssa-pre.c (eliminate): Check if lhs is NULL. * gcc.dg/torture/pr82102.c: New testcase. 2017-09-13 Richard Biener <rguent...@suse.de> PR middle-end/82128 * gimple-fold.c (gimple_fold_call): Update SSA name in-place to default-def to avoid breaking iterator update with the weird interaction with cgraph_update_edges_for_call_stmt_node. * g++.dg/pr82128.C: New testcase. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/pr82128.C branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr82102.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/gimple-fold.c branches/gcc-7-branch/gcc/testsuite/ChangeLog branches/gcc-7-branch/gcc/tree-ssa-pre.c
