Reify type params on map literals

test/codegen_expected/language/compile_time_constant_b_test.js

 dart_library.library('language/compile_time_constant_b_test', null, /* Imports */[
   'dart_sdk',
   'expect'
 ], function load__compile_time_constant_b_test(exports, dart_sdk, expect) {
   'use strict';
   const core = dart_sdk.core;
   const _interceptors = dart_sdk._interceptors;
   const dart = dart_sdk.dart;
   const dartx = dart_sdk.dartx;
   const expect$ = expect.expect;
   const compile_time_constant_b_test = Object.create(null);
   let JSArrayOfString = () => (JSArrayOfString = dart.constFn(_interceptors.JSArray$(core.String)))();
   let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
   let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
   let StringAndintTovoid = () => (StringAndintTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.String, core.int])))();
   let VoidToint = () => (VoidToint = dart.constFn(dart.definiteFunctionType(core.int, [])))();
   let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
   let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
-  compile_time_constant_b_test.m1 = dart.const(dart.map({__proto__: 400 + 99}));
-  compile_time_constant_b_test.m2 = dart.const(dart.map({a: 499, b: 42}));
-  compile_time_constant_b_test.m3 = dart.const(dart.map({__proto__: 499}));
+  compile_time_constant_b_test.m1 = dart.const(dart.map({__proto__: 400 + 99}, core.String, core.int));
+  compile_time_constant_b_test.m2 = dart.const(dart.map({a: 499, b: 42}, core.String, core.int));
+  compile_time_constant_b_test.m3 = dart.const(dart.map({__proto__: 499}, core.String, core.int));
   compile_time_constant_b_test.isUnsupportedError = function(o) {
     return core.UnsupportedError.is(o);
   };
   dart.fn(compile_time_constant_b_test.isUnsupportedError, dynamicTobool());
   compile_time_constant_b_test.main = function() {
     expect$.Expect.equals(499, compile_time_constant_b_test.m1[dartx.get]('__proto__'));
     expect$.Expect.equals(null, compile_time_constant_b_test.m1[dartx.get]('b'));
     expect$.Expect.listEquals(JSArrayOfString().of(['__proto__']), compile_time_constant_b_test.m1[dartx.keys][dartx.toList]());
     expect$.Expect.listEquals(JSArrayOfint().of([499]), compile_time_constant_b_test.m1[dartx.values][dartx.toList]());
     expect$.Expect.isTrue(compile_time_constant_b_test.m1[dartx.containsKey]('__proto__'));
@@ skipping 49 matching lines @@
     expect$.Expect.throws(dart.fn(() => compile_time_constant_b_test.m2[dartx.set]('__proto__', 499), VoidToint()), compile_time_constant_b_test.isUnsupportedError);
     expect$.Expect.throws(dart.fn(() => compile_time_constant_b_test.m2[dartx.putIfAbsent]('a', dart.fn(() => 499, VoidToint())), VoidToint()), compile_time_constant_b_test.isUnsupportedError);
     expect$.Expect.throws(dart.fn(() => compile_time_constant_b_test.m2[dartx.putIfAbsent]('__proto__', dart.fn(() => 499, VoidToint())), VoidToint()), compile_time_constant_b_test.isUnsupportedError);
     expect$.Expect.throws(dart.fn(() => compile_time_constant_b_test.m2[dartx.set]('a', 499), VoidToint()), compile_time_constant_b_test.isUnsupportedError);
     expect$.Expect.isTrue(core.identical(compile_time_constant_b_test.m1, compile_time_constant_b_test.m3));
   };
   dart.fn(compile_time_constant_b_test.main, VoidTodynamic());
   // Exports:
   exports.compile_time_constant_b_test = compile_time_constant_b_test;
 });