// len64 := int64(len)
			// if int64(int(len64)) != len64 {
			//     panicunsafeslicelen()
			// }
			len64 := typecheck.Conv(len, lenType)
			nif := ir.NewIfStmt(base.Pos, nil, nil, nil)
			nif.Cond = ir.NewBinaryExpr(base.Pos, ir.ONE, typecheck.Conv(typecheck.Conv(len64, types.Types[types.TINT]), lenType), len64)
			nif.Body.Append(mkcall("panicunsafeslicelen", nil, &nif.Body))
			appendWalkStmt(init, nif)
		}

func growslice(oldPtr *any, newLen, oldCap, num int, et *byte) (ary []any)
func unsafeslicecheckptr(typ *byte, ptr unsafe.Pointer, len int64)
func panicunsafeslicelen()
func panicunsafeslicenilptr()
func unsafestringcheckptr(ptr unsafe.Pointer, len int64)
func panicunsafestringlen()
func panicunsafestringnilptr()

func memmove(to *any, frm *any, length uintptr)

	{"block", funcTag, 9},
	{"makeslice", funcTag, 116},
	{"makeslice64", funcTag, 117},
	{"makeslicecopy", funcTag, 118},
	{"growslice", funcTag, 120},
	{"unsafeslicecheckptr", funcTag, 121},
	{"panicunsafeslicelen", funcTag, 9},
	{"panicunsafeslicenilptr", funcTag, 9},
	{"unsafestringcheckptr", funcTag, 122},
	{"panicunsafestringlen", funcTag, 9},
	{"panicunsafestringnilptr", funcTag, 9},
	{"memmove", funcTag, 123},