// arm64:-"CALL.*racefuncenter.*"
// ppc64le:-"CALL.*racefuncenter.*"
func RaceMightPanic(a []int, i, j, k, s int) {
	var b [4]int
	_ = b[i]     // panicIndex
	_ = a[i:j]   // panicSlice
	_ = a[i:j:k] // also panicSlice
	_ = i << s   // panicShift
	_ = i / j    // panicDivide

// they might panic in various ways. See issue 31219.
// amd64:"TEXT\t.*NOSPLIT.*"
func MightPanic(a []int, i, j, k, s int) {
	_ = a[i]     // panicIndex
	_ = a[i:j]   // panicSlice
	_ = a[i:j:k] // also panicSlice
	_ = i << s   // panicShift
	_ = i / j    // panicDivide
}

// Put a defer in a loop, so second defer is not open-coded
func Defer() {
	for i := 0; i < 2; i++ {
		defer func() {}()