// attempt to reproduce the memory corruption described in #27660.
// The bug was very timing sensitive; at the time of writing this
// test would only trigger the bug about once out of every five runs.

func test27660(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
	ints := make([]int, 100)
	locks := make([]sync.Mutex, 100)
	// Slowly create threads so that ThreadSanitizer is forced to

		t.Errorf("C.CheckIssue6907C() == %d, want %d", got, 1)
	}
}

// issue 7665

var bad7665 unsafe.Pointer = C.f7665
var good7665 uintptr = uintptr(C.f7665)

func test7665(t *testing.T) {
	if bad7665 == nil || uintptr(bad7665) != good7665 {
		t.Errorf("ptrs = %p, %#x, want same non-nil pointer", bad7665, good7665)
	}
}

// issue 7978

var issue7978sync uint32