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Commit 737f500a authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR middle-end/80222 (may_alias folded away) 

2017-03-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/80222
	* gimple-fold.c (gimple_fold_indirect_ref): Do not touch
	TYPE_REF_CAN_ALIAS_ALL references.
	* fold-const.c (fold_indirect_ref_1): Likewise.

	* g++.dg/pr80222.C: New testcase.

From-SVN: r246527
parent 62f96a79
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