[heap] Set progress bar flag for FixedArray upon allocation

test/cctest/heap/test-spaces.cc

 // Copyright 2011 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 350 matching lines @@
                                 0));
   TestMemoryAllocatorScope test_scope(isolate, memory_allocator);
 
   NewSpace new_space(heap);
 
   CHECK(new_space.SetUp(CcTest::heap()->InitialSemiSpaceSize(),
                         CcTest::heap()->InitialSemiSpaceSize()));
   CHECK(new_space.HasBeenSetUp());
 
   while (new_space.Available() >= kMaxRegularHeapObjectSize) {
-    Object* obj = new_space.AllocateRawUnaligned(kMaxRegularHeapObjectSize)
-                      .ToObjectChecked();
-    CHECK(new_space.Contains(HeapObject::cast(obj)));
+    CHECK(new_space.Contains(
+        new_space.AllocateRawUnaligned(kMaxRegularHeapObjectSize)
+            .ToObjectChecked()));
   }
 
   new_space.TearDown();
   memory_allocator->TearDown();
   delete memory_allocator;
 }
 
 
 TEST(OldSpace) {
   Isolate* isolate = CcTest::i_isolate();
@@ skipping 405 matching lines @@
   HeapObject* filler =
       HeapObject::FromAddress(array->address() + array->Size());
   CHECK_EQ(filler->map(), CcTest::heap()->two_pointer_filler_map());
 
   const size_t shrinked = page->ShrinkToHighWaterMark();
   CHECK_EQ(0, shrinked);
 }
 
 }  // namespace internal
 }  // namespace v8