re PR tree-optimization/43784 (-Os -fkeep-inline-functions causes FAIL: gcc.c-torture/execute/builtins/pr22237.c execution)

2010-07-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43784
	* tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
	if the destination is used by the call.

	* gcc.c-torture/execute/pr43784.c: New testcase.
	* g++.dg/torture/pr43784.C: Likewise.

From-SVN: r162539