gcc/
	* target.def (stack_protect_runtime_enabled_p): New.
	* function.c (expand_function_end): Guard stack_protect_epilogue with
	targetm.stack_protect_runtime_enabled_p.
	* cfgexpand.c (pass_expand::execute): Likewise.
	* calls.c (expand_call): Likewise.
	* doc/tm.texi.in (TARGET_STACK_PROTECT_RUNTIME_ENABLED_P): Add it.
	* doc/tm.texi: Regenerate.

From-SVN: r242955