const anything = 1e9 // Just some unlikely value that means "we got here, don't care how often"

func testAll() {
	testSimple()
	testBlockRun()
	testIf()
	testFor()
	testRange()
	testSwitch()
	testTypeSwitch()
	testSelect1()
	testSelect2()
	testPanic()
	testEmptySwitches()
	testFunctionLiteral()
	testGoto()
}

// The indexes of the counters in testPanic are known to main.go
const panicIndex = 3

			case <-done:
				return
			default:
				runtime.GC()
			}
		}
	}()
	for i := 0; i < 1e4; i++ {
		func() {
			defer print("")
		}()
	}
	close(done)
}

func testTypeSwitch(x any) error {
	switch y := x.(type) {
	case nil:
		// ok
	case error:
		return y
	}
	return nil
}

func testAssert(x any) error {
	if y, ok := x.(error); ok {
		return y
	}