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[Bug tree-optimization/34030] [4.1/4.2 Regression] ICE in in compare_values_warnv, at tree-vrp.c:701
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Nov 2007 21:35:15 -0000
- Subject: [Bug tree-optimization/34030] [4.1/4.2 Regression] ICE in in compare_values_warnv, at tree-vrp.c:701
- References: <bug-34030-764@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from rguenth at gcc dot gnu dot org 2007-11-16 21:35 -------
Subject: Bug 34030
Author: rguenth
Date: Fri Nov 16 21:34:39 2007
New Revision: 130238
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130238
Log:
2007-11-16 Richard Guenther <rguenther@suse.de>
PR middle-end/34030
* fold-const.c (fold_binary): Use correct types for folding
1 << X & Y to Y >> X & 1.
* gcc.c-torture/compile/pr34030.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr34030.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34030