[heap] MinorMC: Only iterate new space global handles for ptr updates

src/globals.h

 // Copyright 2012 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.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 572 matching lines @@
   USE_DEFAULT_MINIMUM_CAPACITY,
   USE_CUSTOM_MINIMUM_CAPACITY
 };
 
 enum GarbageCollector { SCAVENGER, MARK_COMPACTOR, MINOR_MARK_COMPACTOR };
 
 enum Executability { NOT_EXECUTABLE, EXECUTABLE };
 
 enum VisitMode {
   VISIT_ALL,
+  VISIT_ALL_IN_MINOR_MC_UPDATE,
   VISIT_ALL_IN_SCAVENGE,
   VISIT_ALL_IN_SWEEP_NEWSPACE,
   VISIT_ONLY_STRONG,
   VISIT_ONLY_STRONG_FOR_SERIALIZATION,
   VISIT_ONLY_STRONG_ROOT_LIST,
 };
 
 // Flag indicating whether code is built into the VM (one of the natives files).
 enum NativesFlag {
   NOT_NATIVES_CODE,
@@ skipping 811 matching lines @@
 }  // namespace internal
 }  // namespace v8
 
 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is
 // reducing a JSArray method, or a JSTypedArray method.
 enum class ArrayIteratorKind { kArray, kTypedArray };
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_