const runtime.stackNosplit

4 uses

	runtime (current package)
		preempt.go#L323: 	if asyncPreemptStack > stackNosplit {
		stack.go#L91: 	stackNosplit = abi.StackNosplitBase * sys.StackGuardMultiplier
		stack.go#L99: 	stackGuard = stackNosplit + stackSystem + abi.StackSmall
		stack.go#L1210: 	if used := gp.stack.hi - gp.sched.sp + stackNosplit; used >= avail/4 {