Introduced copy constructor for List<T, P> and changed constructor of Virtual...

src/jump-target.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 466 matching lines @@
 void BreakTarget::set_direction(Directionality direction) {
   JumpTarget::set_direction(direction);
   ASSERT(cgen()->has_valid_frame());
   expected_height_ = cgen()->frame()->height();
 }
 
 
 void BreakTarget::CopyTo(BreakTarget* destination) {
   ASSERT(destination != NULL);
   destination->direction_ = direction_;
-  destination->reaching_frames_.Clear();
-  destination->merge_labels_.Clear();
-  ASSERT(reaching_frames_.length() == merge_labels_.length());
-  for (int i = 0; i < reaching_frames_.length(); i++) {
-    destination->reaching_frames_.Add(reaching_frames_[i]);
-    destination->merge_labels_.Add(merge_labels_[i]);
-  }
+  destination->reaching_frames_ = reaching_frames_;
+  destination->merge_labels_ = merge_labels_;
   destination->entry_frame_ = entry_frame_;
   destination->entry_label_ = entry_label_;
   destination->expected_height_ = expected_height_;
 }
 
 
 void BreakTarget::Jump() {
   ASSERT(cgen()->has_valid_frame());
 
   // Drop leftover statement state from the frame before merging.
@@ skipping 105 matching lines @@
   temp.CopyTo(this);
   temp.Unuse();
 
 #ifdef DEBUG
   is_shadowing_ = false;
 #endif
 }
 
 
 } }  // namespace v8::internal