Link integer emit and runtime

codegen-luau/runtime/runtime.lua

@@ -20,6 +20,17 @@ local function no_op(num)
 	return num
 end
 
+do
+	local num = {}
+
+	num.K_ZERO = I64.K_ZERO
+	num.K_ONE = I64.K_ONE
+
+	num.from_32 = num_from_u32
+
+	module.num = num
+end
+
 do
 	local add = {}
 	local sub = {}