fix #29753, use ES5 constructors for ddc

pkg/dev_compiler/test/codegen_expected/destructuring.js

 define(['dart_sdk'], function(dart_sdk) {
   'use strict';
   const core = dart_sdk.core;
   const dart = dart_sdk.dart;
   const dartx = dart_sdk.dartx;
   const destructuring = Object.create(null);
   const src__varargs = Object.create(null);
   let intAnddynamic__Todynamic = () => (intAnddynamic__Todynamic = dart.constFn(dart.fnType(dart.dynamic, [core.int, dart.dynamic], [dart.dynamic])))();
   let intAnddynamic__Todynamic$ = () => (intAnddynamic__Todynamic$ = dart.constFn(dart.fnType(dart.dynamic, [core.int, dart.dynamic], {c: dart.dynamic})))();
   let intAnddynamicTodynamic = () => (intAnddynamicTodynamic = dart.constFn(dart.fnType(dart.dynamic, [core.int, dart.dynamic])))();
@@ skipping 53 matching lines @@
   };
   dart.fn(destructuring.invalid_names2, __Todynamic());
   destructuring.invalid_names3 = function({["let"]: let$ = null, ["function"]: func = null, ["arguments"]: arguments$ = 2} = {}) {
     destructuring.f(let$, func, arguments$);
   };
   dart.fn(destructuring.invalid_names3, __Todynamic$());
   destructuring.names_clashing_with_object_props = function({constructor = null, valueOf = null, hasOwnProperty = 2} = Object.create(null)) {
     destructuring.f(constructor, valueOf, hasOwnProperty);
   };
   dart.fn(destructuring.names_clashing_with_object_props, __Todynamic$0());
-  src__varargs._Rest = class _Rest extends core.Object {
-    new() {
-    }
-  };
+  src__varargs._Rest = class _Rest extends core.Object {};
+  (src__varargs._Rest.new = function() {
+  }).prototype = src__varargs._Rest.prototype;
   dart.defineLazy(src__varargs, {
     get rest() {
-      return dart.const(new src__varargs._Rest());
+      return dart.const(new src__varargs._Rest.new());
     }
   });
   src__varargs.spread = function(args) {
-    dart.throw(new core.StateError('The spread function cannot be called, ' + 'it should be compiled away.'));
+    dart.throw(new core.StateError.new('The spread function cannot be called, ' + 'it should be compiled away.'));
   };
   dart.fn(src__varargs.spread, dynamicTodynamic());
   dart.trackLibraries("destructuring", {
     "destructuring.dart": destructuring,
     "package:js/src/varargs.dart": src__varargs
   }, null);
   // Exports:
   return {
     destructuring: destructuring,
     src__varargs: src__varargs
   };
 });