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r132345 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: rguenth
Date: Fri Feb 15 15:24:19 2008
New Revision: 132345

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132345
Log:
2008-02-15  Richard Guenther  <rguenther@suse.de>
	Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/35164
	* tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
	* tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Only propagate addresses which do not have abnormal SSA_NAMEs
	in their operands.

	* g++.dg/torture/pr35164-1.C: New testcase.
	* g++.dg/torture/pr35164-2.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr35164-1.C
    trunk/gcc/testsuite/g++.dg/torture/pr35164-2.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-dfa.c
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-ssa-forwprop.c


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