2011-09-26  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-alias.h (pt_solution_singleton_p): Declare.
	* tree-ssa-structalias.c (pt_solution_singleton_p): New function.
	* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Set points-to solution
	of new var.

From-SVN: r179193