Removed the delete calls to ZoneObjects.

src/ia32/jump-target-ia32.cc

 // Copyright 2008 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 287 matching lines @@
           }
           __ bind(&merge_labels_[i]);
 
           // Loop over the remaining (non-null) reaching frames,
           // looking for any that can share merge code with this one.
           for (int j = 0; j < i; j++) {
             VirtualFrame* other = reaching_frames_[j];
             if (other != NULL && other->Equals(cgen_->frame())) {
               // Set the reaching frame element to null to avoid
               // processing it later, and then bind its entry label.
-              delete other;
               reaching_frames_[j] = NULL;
               __ bind(&merge_labels_[j]);
             }
           }
 
           // Emit the merge code.
           cgen_->frame()->MergeTo(entry_frame_);
         } else if (i == reaching_frames_.length() - 1 && had_fall_through) {
           // If this is the fall through frame, and it didn't need
           // merge code, we need to pick up the frame so we can jump
@@ skipping 16 matching lines @@
     // There is certainly a current frame equal to the entry frame.
     // Bind the entry frame label.
     __ bind(&entry_label_);
 
     // There may be unprocessed reaching frames that did not need
     // merge code.  They will have unbound merge labels.  Bind their
     // merge labels to be the same as the entry label and deallocate
     // them.
     for (int i = 0; i < reaching_frames_.length(); i++) {
       if (!merge_labels_[i].is_bound()) {
-        delete reaching_frames_[i];
         reaching_frames_[i] = NULL;
         __ bind(&merge_labels_[i]);
       }
     }
 
     // There are non-NULL reaching frames with bound labels for each
     // merge block, but only on backward targets.
   } else {
     // There were no forward jumps.  There must be a current frame and
     // this must be a bidirectional target.
@@ skipping 11 matching lines @@
   }
 
   is_linked_ = false;
   is_bound_ = true;
 }
 
 #undef __
 
 
 } }  // namespace v8::internal