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[Bug tree-optimization/58794] [4.8/4.9 Regression] ICE in set_lattice_value, at tree-ssa-ccp.c:455 on x86_64-linux-gnu (at -O1, -O2, and -O3)
- 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, 21 Oct 2013 13:33:32 +0000
- Subject: [Bug tree-optimization/58794] [4.8/4.9 Regression] ICE in set_lattice_value, at tree-ssa-ccp.c:455 on x86_64-linux-gnu (at -O1, -O2, and -O3)
- Auto-submitted: auto-generated
- References: <bug-58794-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58794
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Oct 21 13:33:29 2013
New Revision: 203891
URL: http://gcc.gnu.org/viewcvs?rev=203891&root=gcc&view=rev
Log:
2013-10-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/58794
* fold-const.c (operand_equal_p): Compare FIELD_DECL operand
of COMPONENT_REFs with OEP_CONSTANT_ADDRESS_OF left in place.
* c-c++-common/torture/pr58794-1.c: New testcase.
* c-c++-common/torture/pr58794-2.c: Likewise.
Added:
trunk/gcc/testsuite/c-c++-common/torture/pr58794-1.c
trunk/gcc/testsuite/c-c++-common/torture/pr58794-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog