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[Bug tree-optimization/80181] [7 Regression] ICE in set_lattice_value, at tree-ssa-ccp.c:505
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 27 Mar 2017 12:52:45 +0000
- Subject: [Bug tree-optimization/80181] [7 Regression] ICE in set_lattice_value, at tree-ssa-ccp.c:505
- Auto-submitted: auto-generated
- References: <bug-80181-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80181
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Mar 27 12:52:13 2017
New Revision: 246500
URL: https://gcc.gnu.org/viewcvs?rev=246500&root=gcc&view=rev
Log:
2017-03-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/80181
* tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
* gcc.dg/torture/pr80181.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr80181.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c