Fix type tests involving an implicit closure of a non-parameterized class

runtime/vm/code_generator.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/code_generator.h"
 
 #include "vm/code_index_table.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
@@ skipping 531 matching lines @@
     // we are trying to create an implicit closure of an instance function.
     arguments.SetReturn(closure);
     return;
   }
   Function& implicit_closure_function =
       Function::Handle(function.ImplicitClosureFunction());
   // Create a closure object for the implicit closure function.
   const Context& context = Context::Handle(Context::New(1));
   context.SetAt(0, receiver);
   closure = Closure::New(implicit_closure_function, context);
+  if (receiver_class.HasTypeArguments()) {
+    const TypeArguments& type_arguments =
+        TypeArguments::Handle(receiver.GetTypeArguments());
+    closure.SetTypeArguments(type_arguments);
+  }
   arguments.SetReturn(closure);
 }
 
 
 // Resolve an implicit closure by invoking getter and checking if the return
 // value from getter is a closure.
 // Arg0: receiver object.
 // Arg1: ic-data array.
 // Returns: Closure object or NULL (closure not found).
 // This is called by the megamorphic stub when it is unable to resolve an
@@ skipping 381 matching lines @@
       }
     }
   }
   // The cache is null terminated, therefore the loop above should never
   // terminate by itself.
   UNREACHABLE();
   return Code::null();
 }
 
 }  // namespace dart