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() {

		loop.SetInit([]ir.Node{zero})

		appendWalkStmt(init, loop)
		return
	}
	// For a small number of entries, just add them directly.

	// Build list of var[c] = expr.
	// Use temporaries so that mapassign1 can have addressable key, elem.
	// TODO(josharian): avoid map key temporaries for mapfast_* assignments with literal keys.
	// TODO(khr): assign these temps in order phase so we can reuse them across multiple maplits?

	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]) {

	}

	// Determine size of RHS.
	rsiz := 0
	ir.Any(as.Y, func(n ir.Node) bool {
		rsiz++
		return false
	})
	if base.Debug.WrapGlobalMapDbg > 0 {
		fmt.Fprintf(os.Stderr, "=-= mapassign %s %v rhs size %d\n",
			base.Ctxt.Pkgpath, n, rsiz)
	}

	// Reject smaller candidates if not in stress mode.
	if rsiz < wrapGlobalMapInitSizeThreshold && base.Debug.WrapGlobalMapCtl != 2 {