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Commit f843144b authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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re PR tree-optimization/54920 (segfault in tree-ssa-pre.c during Firefox build) 

2012-10-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54920
	* tree-ssa-pre.c (create_expression_by_pieces): Properly
	allocate temporary storage for all NARY elements.

	* gcc.dg/torture/pr54920.c: New testcase.

From-SVN: r192454
parent 7bd8fc3b
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