Fix error reporting when calling static methods and closures withh mismatched arguments.

runtime/vm/code_generator.cc

 // Copyright (c) 2013, 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/assembler.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 1068 matching lines @@
 // Arg2: arguments descriptor array.
 // Arg3: arguments array.
 DEFINE_RUNTIME_ENTRY(InvokeNoSuchMethodFunction, 4) {
   ASSERT(arguments.ArgCount() ==
          kInvokeNoSuchMethodFunctionRuntimeEntry.argument_count());
   const Instance& receiver = Instance::CheckedHandle(arguments.ArgAt(0));
   const ICData& ic_data = ICData::CheckedHandle(arguments.ArgAt(1));
   const Array& orig_arguments_desc = Array::CheckedHandle(arguments.ArgAt(2));
   const Array& orig_arguments = Array::CheckedHandle(arguments.ArgAt(3));
 
-  const String& original_function_name = String::Handle(ic_data.target_name());
+  String& original_function_name = String::Handle(ic_data.target_name());
+  if (receiver.IsClosure()) {
+    // For closure the function name is always 'call'. Replace it with the
+    // name of the closurized function so that exception contains more
+    // relevant information.
+    const Function& function = Function::Handle(Closure::function(receiver));
+    original_function_name = function.QualifiedUserVisibleName();
+  }
   const Object& result = Object::Handle(
       DartEntry::InvokeNoSuchMethod(receiver,
                                     original_function_name,
                                     orig_arguments,
                                     orig_arguments_desc));
   CheckResultError(result);
   arguments.SetReturn(result);
 }
 
 
@@ skipping 595 matching lines @@
 //   Arg1: Value that is being stored.
 DEFINE_RUNTIME_ENTRY(UpdateFieldCid, 2) {
   ASSERT(arguments.ArgCount() == kUpdateFieldCidRuntimeEntry.argument_count());
   const Field& field = Field::CheckedHandle(arguments.ArgAt(0));
   const Object& value = Object::Handle(arguments.ArgAt(1));
 
   field.UpdateCid(Class::Handle(value.clazz()).id());
 }
 
 }  // namespace dart