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Commit 678771ad authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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re PR tree-optimization/54735 (Segmentation fault in walk_aliased_vdefs_1) 

2012-10-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54735
	* tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
	cleaning up the CFG.

	* g++.dg/torture/pr54735.C: New testcase.

From-SVN: r192078
parent 5c1eb617
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