[runtime] Add DescriptorArray::GeneralizeAllFields().

test/cctest/test-field-type-tracking.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 #include <utility>
 
 #include "test/cctest/test-api.h"
 
 #include "src/v8.h"
@@ skipping 1219 matching lines @@
     CHECK(expectations.Check(*map));
 
     CHECK(new_map->is_stable());
     CHECK(!new_map->is_deprecated());
   }
 };
 
 
 // Checks that given |map| is NOT deprecated, and |new_map| is a result of
 // copy-generalize-all-representations.
-struct CheckCopyGeneralizeAllRepresentations {
+struct CheckCopyGeneralizeAllFields {
   void Check(Handle<Map> map, Handle<Map> new_map, Expectations& expectations) {
     CHECK(!map->is_deprecated());
     CHECK_NE(*map, *new_map);
 
     CHECK(new_map->GetBackPointer()->IsUndefined(map->GetIsolate()));
     for (int i = 0; i < kPropCount; i++) {
       expectations.GeneralizeRepresentation(i);
     }
 
     CHECK(!new_map->is_deprecated());
@@ skipping 251 matching lines @@
       } else {
         // Currently we have a copy-generalize-all-representations case and
         // ACCESSOR property becomes ACCESSOR_CONSTANT.
         expectations.SetAccessorConstant(property_index, pair2_);
       }
     }
   };
 
   TestConfig config;
   if (IS_ACCESSOR_FIELD_SUPPORTED) {
-    CheckCopyGeneralizeAllRepresentations checker;
+    CheckCopyGeneralizeAllFields checker;
     TestReconfigureProperty_CustomPropertyAfterTargetMap(config, checker);
   } else {
     // Currently we have a copy-generalize-all-representations case.
-    CheckCopyGeneralizeAllRepresentations checker;
+    CheckCopyGeneralizeAllFields checker;
     TestReconfigureProperty_CustomPropertyAfterTargetMap(config, checker);
   }
 }
 
 
 TEST(ReconfigureDataFieldAttribute_AccConstantToDataFieldAfterTargetMap) {
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
 
   struct TestConfig {
@@ skipping 904 matching lines @@
   Isolate* isolate = CcTest::i_isolate();
 
   Zone zone(isolate->allocator(), ZONE_NAME);
 
   CHECK_EQ(FieldType::Any()->Convert(&zone), AstType::NonInternal());
   CHECK_EQ(FieldType::None()->Convert(&zone), AstType::None());
 }
 
 // TODO(ishell): add this test once IS_ACCESSOR_FIELD_SUPPORTED is supported.
 // TEST(TransitionAccessorConstantToAnotherAccessorConstant)