[runtime] Force internalize names used before lookup in in DescriptorArray and TransitionArray

test/cctest/heap/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 5685 matching lines @@
 
 TEST(Regress388880) {
   i::FLAG_expose_gc = true;
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
   Heap* heap = isolate->heap();
 
   Handle<Map> map1 = Map::Create(isolate, 1);
+  Handle<String> name = factory->NewStringFromStaticChars("foo");
+  name = factory->InternalizeString(name);
   Handle<Map> map2 =
-      Map::CopyWithField(map1, factory->NewStringFromStaticChars("foo"),
-                         FieldType::Any(isolate), NONE,
+      Map::CopyWithField(map1, name, FieldType::Any(isolate), NONE,
                          Representation::Tagged(), OMIT_TRANSITION)
           .ToHandleChecked();
 
   int desired_offset = Page::kPageSize - map1->instance_size();
 
   // Allocate padding objects in old pointer space so, that object allocated
   // afterwards would end at the end of the page.
   SimulateFullSpace(heap->old_space());
   int padding_size = desired_offset - Page::kObjectStartOffset;
   CreatePadding(heap, padding_size, TENURED);
@@ skipping 806 matching lines @@
       byte_array->set(j, 0x31);
     }
   }
   // Re-enable old space expansion to avoid OOM crash.
   heap->set_force_oom(false);
   heap->CollectGarbage(NEW_SPACE);
 }
 
 }  // namespace internal
 }  // namespace v8