Check for null constructor field initializer expression.

pkg/analyzer/test/generated/compile_time_error_code_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.test.generated.compile_time_error_code_test;
 
 import 'dart:async';
 
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/error/codes.dart';
@@ skipping 863 matching lines @@
       break;
     case 'abc':
       break;
   }
 }''');
     await computeAnalysisResult(source);
     assertNoErrors(source);
     verify([source]);
   }
 
+  test_const_invalid_constructorFieldInitializer_fromLibrary() async {
+    addNamedSource('/lib.dart', r'''
+class A<T> {
+  final int f;
+  const A() : f = T.foo;
+}
+''');
+    Source source = addSource(r'''
+import 'lib.dart';
+const a = const A();
+''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION]);
+  }
+
   test_constConstructor_redirect_generic() async {
     Source source = addSource(r'''
 class A<T> {
   const A(T value) : this._(value);
   const A._(T value) : value = value;
   final T value;
 }
 
 void main(){
   const A<int>(1);
@@ skipping 5705 matching lines @@
   int _x;
 }
 ''');
     Source source = addSource(testCode);
     await computeAnalysisResult(source);
     assertErrors(
         source, [CompileTimeErrorCode.PRIVATE_COLLISION_IN_MIXIN_APPLICATION]);
     verify([source]);
   }
 }