return f
}

// A TypeInfo contains information for a symbol
// that contains a runtime._type.
type TypeInfo struct {
	Type interface{} // a *cmd/compile/internal/types.Type
}

func (s *LSym) NewTypeInfo() *TypeInfo {
	if s.Extra != nil {
		panic(fmt.Sprintf("invalid use of LSym - NewTypeInfo with Extra of type %T", *s.Extra))
	}
	t := new(TypeInfo)
	s.Extra = new(interface{})
	*s.Extra = t
	return t

	if !ptr.Type.IsPtr() || !types.Identical(n.Type(), ptr.Type.Elem()) {
		base.FatalfAt(n.Pos(), "setHeapaddr %L with type %v", n, ptr.Type)
	}

	// Declare variable to hold address.
	sym := &types.Sym{Name: "&" + n.Sym().Name, Pkg: types.LocalPkg}
	addr := s.curfn.NewLocal(pos, sym, types.NewPtr(n.Type()))
	addr.SetUsed(true)
	types.CalcSize(addr.Type())

	if n.Class == ir.PPARAMOUT {

//
// See https://httpwg.org/specs/rfc7540.html#FrameHeader
type http2FrameHeader struct {
	valid bool // caller can access []byte fields in the Frame

	// Type is the 1 byte frame type. There are ten standard frame
	// types, but extension frame types may be written by WriteRawFrame
	// and will be returned by ReadFrame (as UnknownFrame).
	Type http2FrameType

func testServeFileContentType(t *testing.T, mode testMode) {
	const ctype = "icecream/chocolate"
	ts := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {
		switch r.FormValue("override") {
		case "1":
			w.Header().Set("Content-Type", ctype)
		case "2":
			// Explicitly inhibit sniffing.
			w.Header()["Content-Type"] = []string{}
		}
		ServeFile(w, r, "testdata/file")
	})).ts

(AndB (Leq32 (Const32 [c]) x) ((Less|Leq)32 x (Const32 [d]))) && d >= c => ((Less|Leq)32U (Sub32 <x.Type> x (Const32 <x.Type> [c])) (Const32 <x.Type> [d-c]))
(AndB (Leq16 (Const16 [c]) x) ((Less|Leq)16 x (Const16 [d]))) && d >= c => ((Less|Leq)16U (Sub16 <x.Type> x (Const16 <x.Type> [c])) (Const16 <x.Type> [d-c]))

		} else {
			h = _INVALID_HANDLE_VALUE
			timeout = uintptr(us) / 1000 // ms units
		}
		stdcall2(_WaitForSingleObject, h, timeout)
	})
}

func ctrlHandler(_type uint32) uintptr {
	var s uint32

	switch _type {
	case _CTRL_C_EVENT, _CTRL_BREAK_EVENT:
		s = _SIGINT
	case _CTRL_CLOSE_EVENT, _CTRL_LOGOFF_EVENT, _CTRL_SHUTDOWN_EVENT:
		s = _SIGTERM
	default:
		return 0
	}

}
func nilinterequal(p, q unsafe.Pointer) bool {
	x := *(*eface)(p)
	y := *(*eface)(q)
	return x._type == y._type && efaceeq(x._type, x.data, y.data)
}
func efaceeq(t *_type, x, y unsafe.Pointer) bool {
	if t == nil {
		return true
	}
	eq := t.Equal
	if eq == nil {
		panic(errorString("comparing uncomparable type " + toRType(t).string()))
	}
	if isDirectIface(t) {

const gcBitsHeaderBytes = unsafe.Sizeof(gcBitsHeader{})

type gcBitsHeader struct {
	free uintptr // free is the index into bits of the next free byte.
	next uintptr // *gcBits triggers recursive type bug. (issue 14620)
}

type gcBitsArena struct {
	_ sys.NotInHeap
	// gcBitsHeader // side step recursive type bug (issue 14620) by including fields by hand.

	}
}

// cgoCheckTypedBlock checks the block of memory at src, for up to size bytes,
// and throws if it finds an unpinned Go pointer. The type of the memory is typ,
// and src is off bytes into that type.
//
//go:nosplit
//go:nowritebarrier
func cgoCheckTypedBlock(typ *_type, src unsafe.Pointer, off, size uintptr) {
	// Anything past typ.PtrBytes is not a pointer.
	if typ.PtrBytes <= off {
		return
	}

	if list == nil {
		return
	}

	var named, anonymous bool

	var typ Type
	var prev syntax.Expr
	for i, field := range list {
		ftype := field.Type
		// type-check type of grouped fields only once
		if ftype != prev {
			prev = ftype
			if t, _ := ftype.(*syntax.DotsType); t != nil {
				ftype = t.Elem
				if variadicOk && i == len(list)-1 {
					variadic = true
				} else {