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Commit e57f2b41 authored by Kazu Hirata's avatar Kazu Hirata Committed by Kazu Hirata
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re PR tree-optimization/22117 (VRP thinks <ptr type> + <ptr type> is always nonnull.) 

gcc/
	PR tree-optimization/22117
	* tree-vrp.c (extract_range_from_binary_expr): Compute a
	correct range when adding two pointers.

testsuite/
	PR tree-optimization/22117
	* gcc.dg/tree-ssa/pr22117.c: New.

From-SVN: r101272
parent a31de501
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