re PR tree-optimization/67055 (Segmentation fault in fold_builtin_alloca_with_align in tree-ssa-ccp.c)

2015-08-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/67055
	* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Handle
	NULL gimple_block.

	* g++.dg/torture/pr67055.C: New testcase.

From-SVN: r226616