Pass closure object as first implicit argument to closure functions.

runtime/vm/flow_graph_inliner.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/flow_graph_inliner.h"
 
 #include "vm/compiler.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 609 matching lines @@
     for (intptr_t i = 0; i < calls.length(); ++i) {
       ClosureCallInstr* call = calls[i];
       // Find the closure of the callee.
       ASSERT(call->ArgumentCount() > 0);
       const CreateClosureInstr* closure =
           call->ArgumentAt(0)->value()->definition()->AsCreateClosure();
       if (closure == NULL) {
         TRACE_INLINING(OS::Print("     Bailout: non-closure operator\n"));
         continue;
       }
-      GrowableArray<Value*> arguments(call->ArgumentCount() - 1);
-      for (int i = 1; i < call->ArgumentCount(); ++i) {
+      GrowableArray<Value*> arguments(call->ArgumentCount());
+      for (int i = 0; i < call->ArgumentCount(); ++i) {
         arguments.Add(call->ArgumentAt(i)->value());
       }
       TryInlining(closure->function(),
                   call->argument_names(),
                   &arguments,
                   call);
     }
   }
 
   void InlineInstanceCalls() {
@@ skipping 158 matching lines @@
         OS::Print("After Inlining of %s\n", flow_graph_->
                   parsed_function().function().ToFullyQualifiedCString());
         FlowGraphPrinter printer(*flow_graph_);
         printer.PrintBlocks();
       }
     }
   }
 }
 
 }  // namespace dart