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[Bug tree-optimization/34138] [4.3 Regression] verify_ssa failed (found real variable when subvariables should have appeared)
- 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: 5 Dec 2007 21:45:30 -0000
- Subject: [Bug tree-optimization/34138] [4.3 Regression] verify_ssa failed (found real variable when subvariables should have appeared)
- References: <bug-34138-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #11 from rguenth at gcc dot gnu dot org 2007-12-05 21:45 -------
Subject: Bug 34138
Author: rguenth
Date: Wed Dec 5 21:45:15 2007
New Revision: 130632
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130632
Log:
2007-12-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34138
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
Do not forward propagate addresses if that changes volatileness of
the pointed-to type.
* gcc.c-torture/compile/pr34138.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr34138.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-forwprop.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34138