new2 := uintptr(unsafe.Pointer(new))

	t.Logf("old stack pointer %x, new stack pointer %x", old, new2)
	if new2 == old {
		// Check that we didn't screw up the test's escape analysis.
		if cls := runtime.GCTestPointerClass(unsafe.Pointer(new)); cls != "stack" {
			t.Fatalf("test bug: new (%#x) should be a stack pointer, not %s", new2, cls)
		}
		// This was a real failure.
		return false
	}
	return true
}

	return gcTestIsReachable(ptrs...)
}

// For GCTestPointerClass, it's important that we do this as a call so
// escape analysis can see through it.
//
// This is nosplit because gcTestPointerClass is.
//
//go:nosplit
func GCTestPointerClass(p unsafe.Pointer) string {
	return gcTestPointerClass(p)
}

const Raceenabled = raceenabled

const (

	}

	return mask
}

// gcTestPointerClass returns the category of what p points to, one of:
// "heap", "stack", "data", "bss", "other". This is useful for checking
// that a test is doing what it's intended to do.
//
// This is nosplit simply to avoid extra pointer shuffling that may
// complicate a test.
//
//go:nosplit
func gcTestPointerClass(p unsafe.Pointer) string {
	p2 := uintptr(noescape(p))