Reify type params on map literals

test/codegen_expected/language/static_const_field_test.js

 dart_library.library('language/static_const_field_test', null, /* Imports */[
   'dart_sdk',
   'expect'
 ], function load__static_const_field_test(exports, dart_sdk, expect) {
   'use strict';
   const core = dart_sdk.core;
   const dart = dart_sdk.dart;
   const dartx = dart_sdk.dartx;
   const expect$ = expect.expect;
   const static_const_field_test = Object.create(null);
@@ skipping 15 matching lines @@
   });
   static_const_field_test.A.b = 3 + 5;
   static_const_field_test.A.s1 = "hula";
   static_const_field_test.A.s2 = "hula";
   static_const_field_test.A.s3 = "hop";
   static_const_field_test.A.d1 = 1.1;
   static_const_field_test.A.d2 = 0.55 + 0.55;
   static_const_field_test.A.artist2 = static_const_field_test.Switzerland.AG;
   static_const_field_test.A.architect1 = static_const_field_test.Spain.AG;
   static_const_field_test.A.array1 = dart.constList([1, 2], core.int);
-  static_const_field_test.A.map1 = dart.const(dart.map({Monday: 1, Tuesday: 2}));
+  static_const_field_test.A.map1 = dart.const(dart.map({Monday: 1, Tuesday: 2}, core.String, core.int));
   dart.defineLazy(static_const_field_test.A, {
     get a() {
       return dart.const(new static_const_field_test.A());
     },
     get c() {
       return static_const_field_test.A.b + 7;
     },
     get d() {
       return dart.const(new static_const_field_test.A());
     }
@@ skipping 19 matching lines @@
     statics: () => ({testMain: dart.definiteFunctionType(dart.dynamic, [])}),
     names: ['testMain']
   });
   static_const_field_test.main = function() {
     static_const_field_test.StaticFinalFieldTest.testMain();
   };
   dart.fn(static_const_field_test.main, VoidTodynamic());
   // Exports:
   exports.static_const_field_test = static_const_field_test;
 });