This patch much improves our tracking of whether function is...

src/ia32/virtual-frame-ia32.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 922 matching lines @@
   return RawCallCodeObject(ic, RelocInfo::CODE_TARGET);
 }
 
 
 Result VirtualFrame::CallCallIC(RelocInfo::Mode mode,
                                 int arg_count,
                                 int loop_nesting) {
   // Arguments, receiver, and function name are on top of the frame.
   // The IC expects them on the stack.  It does not drop the function
   // name slot (but it does drop the rest).
-  Handle<Code> ic = (loop_nesting > 0)
-      ? cgen()->ComputeCallInitializeInLoop(arg_count)
-      : cgen()->ComputeCallInitialize(arg_count);
+  InlineCacheInLoop in_loop = loop_nesting > 0 ? IN_LOOP : NOT_IN_LOOP;
+  Handle<Code> ic = cgen()->ComputeCallInitialize(arg_count, in_loop);
   // Spill args, receiver, and function.  The call will drop args and
   // receiver.
   PrepareForCall(arg_count + 2, arg_count + 1);
   return RawCallCodeObject(ic, mode);
 }
 
 
 Result VirtualFrame::CallConstructor(int arg_count) {
   // Arguments, receiver, and function are on top of the frame.  The
   // IC expects arg count in eax, function in edi, and the arguments
@@ skipping 131 matching lines @@
   ASSERT(stack_pointer_ == elements_.length() - 1);
   elements_.Add(FrameElement::MemoryElement());
   stack_pointer_++;
   __ push(immediate);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal