gcc/testsuite/

	* gcc.target/aarch64/aapcs64/aapcs64.exp:
	(additional_flags_for_func_ret): New variable based on $additional_flags
	with -fno-use-caller-save.
	(func-ret-*.c): Use the new variable.

Co-Authored-By: Yufeng Zhang <yufeng.zhang@arm.com>

From-SVN: r212206