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[Bug tree-optimization/29801] [4.3 regression] ICE in set_lattice_value (tree-ssa-ccp.c)
- From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Nov 2006 10:29:21 -0000
- Subject: [Bug tree-optimization/29801] [4.3 regression] ICE in set_lattice_value (tree-ssa-ccp.c)
- References: <bug-29801-374@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from rakdver at gcc dot gnu dot org 2006-11-17 10:29 -------
Subject: Bug 29801
Author: rakdver
Date: Fri Nov 17 10:29:07 2006
New Revision: 118926
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118926
Log:
PR tree-optimization/29801
* tree-ssa-ccp.c (get_symbol_constant_value): New function.
(get_default_value): Use get_symbol_constant_value.
(set_lattice_value): ICE when the value of the constant is
changed.
(visit_assignment): Ignore VDEFs of read-only variables.
* gcc.dg/pr29801.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr29801.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29801