//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname mapassign
func mapassign(t *abi.Type, m unsafe.Pointer, key, val unsafe.Pointer) {
	contentEscapes(key)
	contentEscapes(val)
	mapassign0(t, m, key, val)
}

//go:noescape
func mapassign_faststr0(t *abi.Type, m unsafe.Pointer, key string, val unsafe.Pointer)

//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname mapassign
func mapassign(t *maptype, h *hmap, key unsafe.Pointer) unsafe.Pointer {
	if h == nil {
		panic(plainError("assignment to entry in nil map"))
	}
	if raceenabled {
		callerpc := getcallerpc()
		pc := abi.FuncPCABIInternal(mapassign)
		racewritepc(unsafe.Pointer(h), callerpc, pc)
		raceReadObjectPC(t.Key, key, callerpc, pc)
	}

	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map writes")
	}
	hash := t.Hasher(noescape(unsafe.Pointer(&key)), uintptr(h.hash0))

	// Set hashWriting after calling t.hasher for consistency with mapassign.
	h.flags ^= hashWriting

	if h.buckets == nil {
		h.buckets = newobject(t.Bucket) // newarray(t.bucket, 1)
	}

again:
	bucket := hash & bucketMask(h.B)
	if h.growing() {

	{"runtime.mapaccess1_fat", 1},
	{"runtime.mapaccess2", 1},
	{"runtime.mapaccess2_fast32", 1},
	{"runtime.mapaccess2_fast64", 1},
	{"runtime.mapaccess2_faststr", 1},
	{"runtime.mapaccess2_fat", 1},
	{"runtime.mapassign", 1},
	{"runtime.mapassign_fast32", 1},
	{"runtime.mapassign_fast32ptr", 1},
	{"runtime.mapassign_fast64", 1},
	{"runtime.mapassign_fast64ptr", 1},
	{"runtime.mapassign_faststr", 1},
	{"runtime.mapiterinit", 1},

	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map writes")
	}
	hash := t.Hasher(noescape(unsafe.Pointer(&key)), uintptr(h.hash0))

	// Set hashWriting after calling t.hasher for consistency with mapassign.
	h.flags ^= hashWriting

	if h.buckets == nil {
		h.buckets = newobject(t.Bucket) // newarray(t.bucket, 1)
	}

again:
	bucket := hash & bucketMask(h.B)
	if h.growing() {

func mapaccess2_faststr(mapType *byte, hmap map[any]any, key string) (val *any, pres bool)
func mapaccess2_fat(mapType *byte, hmap map[any]any, key *any, zero *byte) (val *any, pres bool)
func mapassign(mapType *byte, hmap map[any]any, key *any) (val *any)
func mapassign_fast32(mapType *byte, hmap map[any]any, key uint32) (val *any)
func mapassign_fast32ptr(mapType *byte, hmap map[any]any, key unsafe.Pointer) (val *any)

	{"mapaccess1_fat", funcTag, 84},
	{"mapaccess2", funcTag, 85},
	{"mapaccess2_fast32", funcTag, 86},
	{"mapaccess2_fast64", funcTag, 87},
	{"mapaccess2_faststr", funcTag, 88},
	{"mapaccess2_fat", funcTag, 89},
	{"mapassign", funcTag, 80},
	{"mapassign_fast32", funcTag, 81},
	{"mapassign_fast32ptr", funcTag, 90},
	{"mapassign_fast64", funcTag, 82},
	{"mapassign_fast64ptr", funcTag, 90},
	{"mapassign_faststr", funcTag, 83},

		fatal("concurrent map writes")
	}
	key := stringStructOf(&s)
	hash := t.Hasher(noescape(unsafe.Pointer(&s)), uintptr(h.hash0))

	// Set hashWriting after calling t.hasher for consistency with mapassign.
	h.flags ^= hashWriting

	if h.buckets == nil {
		h.buckets = newobject(t.Bucket) // newarray(t.bucket, 1)
	}

again:
	bucket := hash & bucketMask(h.B)
	if h.growing() {

	case ir.OAS:
		n := n.(*ir.AssignStmt)
		left, right = n.X, n.Y
	case ir.OASOP:
		n := n.(*ir.AssignOpStmt)
		left, right = n.X, n.Y
	}

	// Recognize m[k] = append(m[k], ...) so we can reuse
	// the mapassign call.
	var mapAppend *ir.CallExpr
	if left.Op() == ir.OINDEXMAP && right.Op() == ir.OAPPEND {
		left := left.(*ir.IndexExpr)
		mapAppend = right.(*ir.CallExpr)
		if !ir.SameSafeExpr(left, mapAppend.Args[0]) {