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Commit f9d97e40 authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR tree-optimization/77282 (test case gcc.dg/autopar/pr46193.c fails starting with r239414) 

2016-08-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77282
	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
	When doing auto-parallelizing also prevent use of PHIs that
	carry dependences across loop backedges.

From-SVN: r239565
parent 6cb98491
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