Initialize list of frame elements to proper size.

src/virtual-frame.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 35 matching lines @@
 
 VirtualFrame::SpilledScope::~SpilledScope() {
   cgen_->set_in_spilled_code(previous_state_);
 }
 
 
 // When cloned, a frame is a deep copy of the original.
 VirtualFrame::VirtualFrame(VirtualFrame* original)
     : cgen_(original->cgen_),
       masm_(original->masm_),
-      elements_(original->elements_.length()),
+      elements_(original->elements_.capacity()),
       parameter_count_(original->parameter_count_),
       local_count_(original->local_count_),
       stack_pointer_(original->stack_pointer_),
       frame_pointer_(original->frame_pointer_) {
   // Copy all the elements from the original.
   for (int i = 0; i < original->elements_.length(); i++) {
     elements_.Add(original->elements_[i]);
   }
   for (int i = 0; i < kNumRegisters; i++) {
     register_locations_[i] = original->register_locations_[i];
@@ skipping 442 matching lines @@
 #endif
   if (stack_pointer_ != other->stack_pointer_) return false;
   for (int i = 0; i < elements_.length(); i++) {
     if (!elements_[i].Equals(other->elements_[i])) return false;
   }
 
   return true;
 }
 
 } }  // namespace v8::internal