Make LeakSanitizer happy, part 2. Fixed register usage on the way.

test/cctest/test-heap.cc

 // Copyright 2012 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 3465 matching lines @@
   while (data->next < data->limit) {
     Handle<Object> obj(heap->empty_string(), isolate);
   }
   // An entire block of handles has been filled.
   // Next handle would require a new block.
   ASSERT(data->next == data->limit);
 
   DeferredHandleScope deferred(isolate);
   DummyVisitor visitor;
   isolate->handle_scope_implementer()->Iterate(&visitor);
-  deferred.Detach();
+  delete deferred.Detach();
 }
 
 
 TEST(IncrementalMarkingStepMakesBigProgressWithLargeObjects) {
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
   CompileRun("function f(n) {"
              "    var a = new Array(n);"
              "    for (var i = 0; i < n; i += 100) a[i] = i;"
              "};"
@@ skipping 182 matching lines @@
     code = scope.CloseAndEscape(Handle<Code>(bar->code()));
   }
 
   // Now make sure that a gc should get rid of the function
   for (int i = 0; i < 4; i++) {
     heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
   }
 
   ASSERT(code->marked_for_deoptimization());
 }