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Commit d94e3e75 authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR tree-optimization/64853 (wrong code at -Os and above on x86_64-linux-gnu) 

2015-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/64853
	* tree-vrp.c (vrp_valueize_1): Do not return anything if the
	stmt will get simulated again.
	* tree-ssa-ccp.c (valueize_op_1): Likewise.

	* gcc.dg/torture/pr64853.c: New testcase.

From-SVN: r220247
parent 16277100
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