Try to fix Windows compilation error.

src/deoptimizer.cc

 // Copyright 2011 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 143 matching lines @@
   // Create the GC safe output frame information and register it for GC
   // handling.
   ASSERT_LT(frame_index, deoptimizer->output_count());
   DeoptimizedFrameInfo* info =
       new DeoptimizedFrameInfo(deoptimizer, frame_index);
   isolate->deoptimizer_data()->deoptimized_frame_info_ = info;
 
   // Get the "simulated" top and size for the requested frame.
   Address top =
       reinterpret_cast<Address>(deoptimizer->output_[frame_index]->GetTop());
-  unsigned size = deoptimizer->output_[frame_index]->GetFrameSize();
+  uint32_t size = deoptimizer->output_[frame_index]->GetFrameSize();
 
   // Done with the GC-unsafe frame descriptions. This re-enables allocation.
   deoptimizer->DeleteFrameDescriptions();
 
   // Allocate a heap number for the doubles belonging to this frame.
   deoptimizer->MaterializeHeapNumbersForDebuggerInspectableFrame(
       top, size, info);
 
   // Finished using the deoptimizer instance.
   delete deoptimizer;
@@ skipping 364 matching lines @@
              d.slot_address());
     }
 
     Memory::Object_at(d.slot_address()) = *num;
   }
 }
 
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 void Deoptimizer::MaterializeHeapNumbersForDebuggerInspectableFrame(
-    Address top, intptr_t size, DeoptimizedFrameInfo* info) {
+    Address top, uint32_t size, DeoptimizedFrameInfo* info) {
   ASSERT_EQ(DEBUGGER, bailout_type_);
   for (int i = 0; i < deferred_heap_numbers_.length(); i++) {
     HeapNumberMaterializationDescriptor d = deferred_heap_numbers_[i];
 
     // Check of the heap number to materialize actually belong to the frame
     // being extracted.
     Address slot = d.slot_address();
     if (top <= slot && slot < top + size) {
       Handle<Object> num = isolate_->factory()->NewNumber(d.value());
       // Calculate the index with the botton of the expression stack
       // at index 0, and the fixed part (including incoming arguments)
       // at negative indexes.
       int index = static_cast<int>(
           info->expression_count_ - (slot - top) / kPointerSize - 1);
       if (FLAG_trace_deopt) {
         PrintF("Materializing a new heap number %p [%e] in slot %p"
                "for stack index %d\n",
                reinterpret_cast<void*>(*num),
                d.value(),
                d.slot_address(),
                index);
       }
       if (index >=0) {
         info->SetExpression(index, *num);
       } else {
         // Calculate parameter index subtracting one for the receiver.
         int parameter_index =
-            index + size / kPointerSize - info->expression_count_ - 1;
+            index +
+            static_cast<int>(size) / kPointerSize -
+            info->expression_count_ - 1;
         info->SetParameter(parameter_index, *num);
       }
     }
   }
 }
 #endif
 
 
 void Deoptimizer::DoTranslateCommand(TranslationIterator* iterator,
                                      int frame_index,
@@ skipping 871 matching lines @@
 }
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(reinterpret_cast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 
 } }  // namespace v8::internal