const struct __go_type_descriptor *__type_descriptor;
	void *__object;
} Eface;

extern void runtimeCgoCheckPointer(Eface, Eface)
	__asm__("runtime.cgoCheckPointer")
	__attribute__((weak));

extern void localCgoCheckPointer(Eface, Eface)
	__asm__("GCCGOSYMBOLPREF._cgoCheckPointer");

void localCgoCheckPointer(Eface ptr, Eface arg) {
	if(runtimeCgoCheckPointer) {
		runtimeCgoCheckPointer(ptr, arg);
	}

		nan := math.NaN()
		for i := 0; i < n; i++ {
			m[nan] = 1
		}
		if len(m) != n {
			panic("wrong size map after nan insertion")
		}
	})

	// ~6ms on a 1.6GHz Zeon.
	checkLinear("eface", 10000, func(n int) {
		m := map[interface{}]int{}
		for i := 0; i < n; i++ {
			m[i] = 1
		}
	})

	// ~7ms on a 1.6GHz Zeon.
	// Regression test for CL 119360043.
	checkLinear("iface", 10000, func(n int) {

// must be stored in interfaces indirectly. See issue 42076.
func (pd *pollDesc) makeArg() (i any) {
	x := (*eface)(unsafe.Pointer(&i))
	x._type = pdType
	x.data = unsafe.Pointer(&pd.self)
	return
}

var (
	pdEface any    = (*pollDesc)(nil)
	pdType  *_type = efaceOf(&pdEface)._type

		}
	}

	return
}

var methodValueCallFrameObjs [1]stackObjectRecord // initialized in stackobjectinit

func stkobjinit() {
	var abiRegArgsEface any = abi.RegArgs{}
	abiRegArgsType := efaceOf(&abiRegArgsEface)._type
	if abiRegArgsType.Kind_&abi.KindGCProg != 0 {
		throw("abiRegArgsType needs GC Prog, update methodValueCallFrameObjs")
	}
	// Set methodValueCallFrameObjs[0].gcdataoff so that

	base.AssertfAt(dst.IsInterface(), n.Pos(), "want interface type, have %L", n)
	if hasRType(n, n.TypeWord, "TypeWord") {
		return n.TypeWord
	}
	if dst.IsEmptyInterface() {
		return concreteRType(pos, src) // direct eface construction
	}
	if !src.IsInterface() {
		return ITabAddrAt(pos, src, dst) // direct iface construction
	}
	return TypePtrAt(pos, dst) // convI2I
}

// ConvIfaceSrcRType asserts that n is a conversion from

type funcval struct {
	fn uintptr
	// variable-size, fn-specific data here
}

type iface struct {
	tab  *itab
	data unsafe.Pointer
}

type eface struct {
	_type *_type
	data  unsafe.Pointer
}

func efaceOf(ep *any) *eface {
	return (*eface)(unsafe.Pointer(ep))
}

// The guintptr, muintptr, and puintptr are all used to bypass write barriers.

	// p.refs' backing store (if it was not backed by refStore).
	p.refStore = [pinnerRefStoreSize]unsafe.Pointer{}
	p.refs = p.refStore[:0]
}

func pinnerGetPtr(i *any) unsafe.Pointer {
	e := efaceOf(i)
	etyp := e._type
	if etyp == nil {
		panic(errorString("runtime.Pinner: argument is nil"))
	}
	if kind := etyp.Kind_ & abi.KindMask; kind != abi.Pointer && kind != abi.UnsafePointer {

func TypeOf(a any) *Type {
	eface := *(*EmptyInterface)(unsafe.Pointer(&a))
	// Types are either static (for compiler-created types) or
	// heap-allocated but always reachable (for reflection-created
	// types, held in the central map). So there is no need to
	// escape types. noescape here help avoid unnecessary escape
	// of v.
	return (*Type)(NoEscape(unsafe.Pointer(eface.Type)))
}

			if mp.resumesema != 0 {
				stdcall1(_SetEvent, mp.resumesema)
			}
		}
		return 0
	}
	params := _DEVICE_NOTIFY_SUBSCRIBE_PARAMETERS{
		callback: compileCallback(*efaceOf(&fn), true),
	}
	handle := uintptr(0)
	stdcall3(powerRegisterSuspendResumeNotification, _DEVICE_NOTIFY_CALLBACK,
		uintptr(unsafe.Pointer(&params)), uintptr(unsafe.Pointer(&handle)))
}

	return l
}

//go:nosplit
func (l *dlogger) p(x any) *dlogger {
	if !dlogEnabled {
		return l
	}
	l.w.byte(debugLogPtr)
	if x == nil {
		l.w.uvarint(0)
	} else {
		v := efaceOf(&x)
		switch v._type.Kind_ & abi.KindMask {
		case abi.Chan, abi.Func, abi.Map, abi.Pointer, abi.UnsafePointer:
			l.w.uvarint(uint64(uintptr(v.data)))
		default:
			throw("not a pointer type")
		}
	}