Handle built-in function identical correctly

runtime/vm/parser.cc

 // Copyright (c) 2012, 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/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
@@ skipping 7332 matching lines @@
       EnsureSavedCurrentContext();
       closure = GenerateStaticFieldLookup(field, call_pos);
       return new ClosureCallNode(call_pos, closure, arguments);
     }
     // Could not resolve static method: throw a NoSuchMethodError.
     return ThrowNoSuchMethodError(ident_pos,
                                   cls,
                                   func_name,
                                   InvocationMirror::kStatic,
                                   InvocationMirror::kMethod);
+  } else if (cls.IsTopLevel() &&
+      (cls.library() == Library::CoreLibrary()) &&
+      (func.name() == Symbols::Identical().raw())) {
+    // This is the predefined toplevel function identical(a,b). Create
+    // a comparison node instead.
+    ASSERT(num_arguments == 2);
+    return new ComparisonNode(ident_pos,
+                              Token::kEQ_STRICT,
+                              arguments->NodeAt(0),
+                              arguments->NodeAt(1));
   }
   return new StaticCallNode(call_pos, func, arguments);
 }
 
 
 AstNode* Parser::ParseInstanceCall(AstNode* receiver, const String& func_name) {
   TRACE_PARSER("ParseInstanceCall");
   const intptr_t call_pos = TokenPos();
   if (CurrentToken() != Token::kLPAREN) {
     ErrorMsg(call_pos, "left parenthesis expected");
@@ skipping 2566 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart