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[Bug tree-optimization/39202] [4.4 Regression] internal compiler error: in collapse_rest_of_var, at tree-ssa-structalias.c:3296
- 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: 17 Feb 2009 16:02:13 -0000
- Subject: [Bug tree-optimization/39202] [4.4 Regression] internal compiler error: in collapse_rest_of_var, at tree-ssa-structalias.c:3296
- References: <bug-39202-15329@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2009-02-17 16:02 -------
Subject: Bug 39202
Author: rguenth
Date: Tue Feb 17 16:01:53 2009
New Revision: 144235
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144235
Log:
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39202
* tree-ssa-structalias.c (do_structure_copy): Before collapsing
a var make sure to follow existing collapses.
* gcc.c-torture/compile/pr39202.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr39202.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-structalias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39202