re PR tree-optimization/37433 (tree check: expected function_decl, have string_cst in ccp_fold, at tree-ssa-ccp.c:1050)

2008-09-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37433
	* tree-ssa-ccp.c (ccp_fold): Properly guard folding of
	function calls.

	* gcc.c-torture/compile/pr37433.c: New testcase.

From-SVN: r140143