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Commit 9fabf0d4 authored by Diego Novillo's avatar Diego Novillo Committed by Diego Novillo
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re PR tree-optimization/20920 (ICE with eh and VRP) 

	PR tree-optimization/20920
	* tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
	SSA_NAME flows through an abnormal edge.
	* tree-vrp.c (infer_value_range): Ignore SSA names that flow
	through abnormal edges.
	(maybe_add_assert_expr): Likewise.

	PR tree-optimization/20920
	* g++.dg/tree-ssa/pr20920.C: New test.

From-SVN: r97971
parent f5db779b
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