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[Bug middle-end/38932] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- From: "bonzini at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jan 2009 15:57:35 -0000
- Subject: [Bug middle-end/38932] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- References: <bug-38932-7849@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from bonzini at gnu dot org 2009-01-23 15:57 -------
Subject: Bug 38932
Author: bonzini
Date: Fri Jan 23 15:57:19 2009
New Revision: 143588
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143588
Log:
2008-01-23 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38932
* fold-const.c (fold_unary_no_overflow): New.
* tree.h (fold_unary_no_overflow): Declare.
* tree-ssa-ccp.c (ccp_fold): Use fold_unary_no_overflow.
* tree-ssa-sccvn.c (visit_reference_op_load,
simplify_unary_expression): Likewise.
testsuite:
2008-01-23 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38932
* gcc.dg/pr38932.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/pr38932.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
trunk/gcc/tree-ssa-sccvn.c
trunk/gcc/tree.h
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38932