Removed the delete calls to ZoneObjects.

src/arm/codegen-arm.cc

 // Copyright 2006-2009 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 1511 matching lines @@
       node->break_target()->Jump();
     }
     setup_default.Bind();
     frame_->MergeTo(start_frame);
     __ b(default_label);
     DeleteFrame();
   }
   if (node->break_target()->is_linked()) {
     node->break_target()->Bind();
   }
-
-  delete start_frame;
 }
 
 
 void CodeGenerator::VisitSwitchStatement(SwitchStatement* node) {
 #ifdef DEBUG
   int original_height = frame_->height();
 #endif
   VirtualFrame::SpilledScope spilled_scope(this);
   Comment cmnt(masm_, "[ SwitchStatement");
   CodeForStatementPosition(node);
@@ skipping 581 matching lines @@
       __ ldr(r1, frame_->ElementAt(kNextIndex - 1));
       __ str(r1, MemOperand(r3));
       // The code slot has already been dropped from the handler.
       frame_->Drop(StackHandlerConstants::kSize / kPointerSize - 1);
 
       if (!function_return_is_shadowed_ && i == kReturnShadowIndex) {
         frame_->PrepareForReturn();
       }
       shadows[i]->other_target()->Jump();
     }
-    delete shadows[i];
   }
 
   exit.Bind();
   ASSERT(!has_valid_frame() || frame_->height() == original_height);
 }
 
 
 void CodeGenerator::VisitTryFinally(TryFinally* node) {
 #ifdef DEBUG
   int original_height = frame_->height();
@@ skipping 155 matching lines @@
       if (!function_return_is_shadowed_ && i == kReturnShadowIndex) {
         JumpTarget skip(this);
         skip.Branch(ne);
         frame_->PrepareForReturn();
         original->Jump();
         skip.Bind();
       } else {
         original->Branch(eq);
       }
     }
-    delete shadows[i];
   }
 
   if (has_valid_frame()) {
     // Check if we need to rethrow the exception.
     JumpTarget exit(this);
     __ cmp(r2, Operand(Smi::FromInt(THROWING)));
     exit.Branch(ne);
 
     // Rethrow exception.
     frame_->EmitPush(r0);
@@ skipping 2862 matching lines @@
   __ mov(r2, Operand(0));
   __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION);
   __ Jump(Handle<Code>(Builtins::builtin(Builtins::ArgumentsAdaptorTrampoline)),
           RelocInfo::CODE_TARGET);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal