* doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete.
	* expr.h (STACK_CHECK_PROBE_LOAD): Likewise.
	* explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD.
	* system.h (STACK_CHECK_PROBE_LOAD): Poison.

From-SVN: r155199