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Commit ea7d7da8 authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR ipa/78644 (ICE: SIGSEGV in is_gimple_reg_type with -Og -fipa-cp) 

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

	PR tree-optimization/78644
	* tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
	of a simplification result we may not use it at all.

	* gcc.dg/pr78644-1.c: New testcase.
	* gcc.dg/pr78644-2.c: Likewise.

From-SVN: r246534
parent 498173ef
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