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Commit faaf1436 authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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re PR tree-optimization/22303 (CCP does not handle STRING_CSTs) 

2006-05-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/22303
	* tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
	from STRING_CSTs.
	(evaluate_stmt): Fall back to fold_const_aggregate_ref, if
	ccp_fold did not simplify the statement.

	* gcc.dg/tree-ssa/ssa-ccp-13.c: New testcase.

From-SVN: r113826
parent 14c7833c
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