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[Bug bootstrap/26998] bootstrap failure building libdecnumber, ICE in compare_values, tree-vrp.c:432
- 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: 9 Jun 2006 12:39:51 -0000
- Subject: [Bug bootstrap/26998] bootstrap failure building libdecnumber, ICE in compare_values, tree-vrp.c:432
- References: <bug-26998-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from rguenth at gcc dot gnu dot org 2006-06-09 12:39 -------
Subject: Bug 26998
Author: rguenth
Date: Fri Jun 9 12:39:11 2006
New Revision: 114507
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114507
Log:
2006-06-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26998
* tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
of signed types, only TYPE_MIN_VALUE is special, but for both,
minimum and maximum value. Likewise VR_ANTI_RANGE is special
in this case, as is -fwrapv.
* gcc.dg/torture/pr26998.c: New testcase.
* gcc.dg/tree-ssa/vrp29.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr26998.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp29.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26998