fallthrough // ERROR cannot fallthrough final case in switch
	}

	fallthrough // ERROR fallthrough statement out of place

	if true {
		fallthrough // ERROR fallthrough statement out of place
	}

	for {
		fallthrough // ERROR fallthrough statement out of place
	}

	var t any
	switch t.(type) {
	case int:
		fallthrough // ERROR cannot fallthrough in type switch
	}

}

func parseARM64SystemRegisters(isar0 uint64) {
	// ID_AA64ISAR0_EL1
	switch extractBits(isar0, 4, 7) {
	case 1:
		ARM64.HasAES = true
	case 2:
		ARM64.HasAES = true
		ARM64.HasPMULL = true
	}

	switch extractBits(isar0, 8, 11) {
	case 1:
		ARM64.HasSHA1 = true
	}

	switch extractBits(isar0, 12, 15) {
	case 1:
		ARM64.HasSHA2 = true
	case 2:
		ARM64.HasSHA2 = true

// Used to crash when a type switch was present in dead code
// in an inlineable function.

package p

func Then() {
	var i interface{}
	if false {
		switch i.(type) {
		}
	}
}

func Else() {
	var i interface{}
	if true {
		_ = i
	} else {
		switch i.(type) {
		}
	}
}

func Switch() {
	var i interface{}
	switch 5 {
	case 3:
		switch i.(type) {
		}

	var r io.Reader

	_, _ = r.(io.Writer)

	switch r.(type) {
	case io.Writer:
	}

	// Issue 2827.
	switch _ := r.(type) { // ERROR "invalid variable name _|no new variables?"
	}
}

func noninterface() {
	var i int
	switch i.(type) { // ERROR "cannot type switch on non-interface value|not an interface"
	case string:
	case int:
	}

	type S struct {
		name string
	}

	if x:=expr; expr {use(x)}
}


// Formatting of switch-statement headers.
func _() {
	switch {}
	switch;{}  // no semicolon printed
	switch expr {}
	switch;expr{}  // no semicolon printed
	switch (expr) {}  // no parens printed
	switch;((expr)){}  // no semicolon and parens printed
	switch x := expr; { default:use(
x)
	}
	switch x := expr; expr {default:use(x)}
}

		return false // platform unrecognized
	}

	platform := goos + "/" + goarch
	switch buildmode {
	case "archive":
		return true

	case "c-archive":
		switch goos {
		case "aix", "darwin", "ios", "windows":
			return true
		case "linux":
			switch goarch {
			case "386", "amd64", "arm", "armbe", "arm64", "arm64be", "loong64", "ppc64le", "riscv64", "s390x":

	switch x {
	case 0: return
	case 1: break
	}
} /* ERROR "missing return" */

func _(x, y int) (z int) {
	switch x {
	case 0: return
	default:
		switch y {
		case 0: break
		}
		panic(0)
	}
}

func _(x, y int) (z int) {
	switch x {
	case 0: return
	default:
		switch y {
		case 0: break
		}
		panic(0); ; ;
	}
	;
}

func _(x, y int) (z int) {

func (i Instance) IsTLS() bool {
	switch i {
	case HTTPS, TLS:
		return true
	default:
		return false
	}
}

// IsHTTPS is true if protocol is HTTPS
func (i Instance) IsHTTPS() bool {
	switch i {
	case HTTPS:
		return true
	default:
		return false
	}
}

// IsGRPC is true for GRPC protocols.
func (i Instance) IsGRPC() bool {
	switch i {
	case GRPC, GRPCWeb:
		return true

// license that can be found in the LICENSE file.

package main

func main() {
	f[int]()
}

func f[T any]() {
	switch []T(nil) {
	case nil:
	default:
		panic("FAIL")
	}

	switch (func() T)(nil) {
	case nil:
	default:
		panic("FAIL")
	}

	switch (map[int]T)(nil) {
	case nil:
	default:
		panic("FAIL")
	}

	var n int
	switch g {
	case 0:
		n = 1
		switch h {
		case 0:
			n += 10
			break
		}
		n = 2
	}
	return n
}

func switchLabeledInner_ssa() int {
	var n int
	switch g {
	case 0:
		n = 1
	Done:
		switch h {
		case 0:
			n += 10
			break Done
		}
		n = 2
	}
	return n
}

func switchLabeledOuter_ssa() int {
	var n int