* lib/target-supports.exp (check_effective_target_return_address):
	New function.
	* gcc.c-torture/execute/20010122-1.c: Require return_address.
	* gcc.c-torture/execute/20030323-1.c: Likewise.
	* gcc.c-torture/execute/20030811-1.c: Likewise.
	* gcc.c-torture/execute/eeprof-1.c: Likewise.
	* gcc.c-torture/execute/frame-address.c: Likewise.
	* gcc.c-torture/execute/pr17377.c: Likewise.

From-SVN: r217301