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[Bug tree-optimization/54098] [4.8 Regression] ICE on valid code
- 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: Thu, 26 Jul 2012 10:25:21 +0000
- Subject: [Bug tree-optimization/54098] [4.8 Regression] ICE on valid code
- Auto-submitted: auto-generated
- References: <bug-54098-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54098
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-26 10:25:21 UTC ---
Author: rguenth
Date: Thu Jul 26 10:25:15 2012
New Revision: 189885
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189885
Log:
2012-07-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54098
* tree-vrp.c (vrp_visit_phi_node): Iterate once more if the
original range was UNDEFINED.
* gcc.dg/torture/pr54098.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr54098.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c