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Richard Guenther 9da5500b12 re PR middle-end/52493 (tree check fail in ptr_derefs_may_alias_p)
2012-03-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52493
	* tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.

	* gcc.dg/torture/pr52493.c: New testcase.

From-SVN: r184987
2012-03-06 13:13:14 +00:00
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gcc re PR middle-end/52493 (tree check fail in ptr_derefs_may_alias_p) 2012-03-06 13:13:14 +00:00
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