Fix memento initialization when constructing from new call

test/cctest/test-mementos.cc

 // Copyright 2014 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 83 matching lines @@
 
   // Force GC to test the poisoned memento handling
   CcTest::i_isolate()->heap()->CollectGarbage(i::NEW_SPACE);
 }
 
 
 TEST(PretenuringCallNew) {
   CcTest::InitializeVM();
   if (!i::FLAG_allocation_site_pretenuring) return;
   if (!i::FLAG_pretenuring_call_new) return;
+  if (i::FLAG_always_opt) return;
 
   v8::HandleScope scope(CcTest::isolate());
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
 
   int call_count = 10;
   i::ScopedVector<char> test_buf(1024);
   const char* program =
       "function f() {"
       "  this.a = 3;"
@@ skipping 15 matching lines @@
   AllocationMemento* memento =
       reinterpret_cast<AllocationMemento*>(memento_address + kHeapObjectTag);
   CHECK_EQ(memento->map(), heap->allocation_memento_map());
 
   // Furthermore, how many mementos did we create? The count should match
   // call_count. Note, that mementos are allocated during the inobject slack
   // tracking phase.
   AllocationSite* site = memento->GetAllocationSite();
   CHECK_EQ(call_count, site->pretenure_create_count()->value());
 }