}

// sched.lock must be held.
func checkmcount() {
	assertLockHeld(&sched.lock)

	// Exclude extra M's, which are used for cgocallback from threads
	// created in C.
	//
	// The purpose of the SetMaxThreads limit is to avoid accidental fork
	// bomb from something like millions of goroutines blocking on system

		t.Skip("skipping for non-gc toolchain")
	}
	pc := make([]uintptr, 100)
	n := 0
	name := []string{
		"runtime.cgocallbackg1",
		"runtime.cgocallbackg",
		"runtime.cgocallback",
		"runtime.systemstack_switch",
		"runtime.cgocall",
		"test._Cfunc_callback",
		"test.nestedCall.func1",
		"test.nestedCall",
		"test.testCallbackCallers",
		"test.TestCallbackCallers",