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Richard Biener 56aa7240a1 re PR tree-optimization/34099 (optimizer problem)
2007-11-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34099
	* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
	MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
	if only one operand is undefined.

	* gcc.c-torture/execute/pr34099-2.c: New testcase.

From-SVN: r130290
2007-11-19 12:52:58 +00:00
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gcc re PR tree-optimization/34099 (optimizer problem) 2007-11-19 12:52:58 +00:00
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