deps: make V8 14.2 ABI-compatible with 14.1

- Remove `kGCCallbackFlagLastResort` GC callback flag
  Refs: v8/v8@2baf973

Author: targos

deps/v8/include/v8-callbacks.h

@@ -184,7 +184,6 @@ enum GCCallbackFlags {
   kGCCallbackFlagCollectAllAvailableGarbage = 1 << 4,
   kGCCallbackFlagCollectAllExternalMemory = 1 << 5,
   kGCCallbackScheduleIdleGarbageCollection = 1 << 6,
-  kGCCallbackFlagLastResort = 1 << 7,
 };
 
 using GCCallback = void (*)(GCType type, GCCallbackFlags flags);

deps/v8/src/heap/heap.cc

@@ -1361,8 +1361,6 @@ void Heap::CollectAllAvailableGarbage(GarbageCollectionReason gc_reason) {
   if (gc_reason == GarbageCollectionReason::kLastResort ||
       gc_reason == GarbageCollectionReason::kExternalMemoryPressure) {
     gc_flags |= GCFlag::kLastResort;
-    gc_callback_flags = static_cast<GCCallbackFlags>(
-        gc_callback_flags | GCCallbackFlags::kGCCallbackFlagLastResort);
   }
 
   if (gc_reason == GarbageCollectionReason::kLowMemoryNotification) {

deps/v8/test/unittests/api/gc-callbacks-unittest.cc

@@ -213,13 +213,11 @@ TEST_F(GCCallbackFlagsTest, CollectAllAvailableGarbage) {
       [&](v8::Isolate* isolate, v8::GCType, v8::GCCallbackFlags flags) {
         ASSERT_TRUE(flags &
                     GCCallbackFlags::kGCCallbackFlagCollectAllAvailableGarbage);
-        ASSERT_FALSE(flags & GCCallbackFlags::kGCCallbackFlagLastResort);
         prologue_count++;
       },
       [&](v8::Isolate* isolate, v8::GCType, v8::GCCallbackFlags flags) {
         ASSERT_TRUE(flags &
                     GCCallbackFlags::kGCCallbackFlagCollectAllAvailableGarbage);
-        ASSERT_FALSE(flags & GCCallbackFlags::kGCCallbackFlagLastResort);
         epilogue_count++;
       });
 
@@ -240,13 +238,11 @@ TEST_F(GCCallbackFlagsTest, CollectAllAvailableGarbageAndLastResort) {
       [&](v8::Isolate* isolate, v8::GCType, v8::GCCallbackFlags flags) {
         ASSERT_TRUE(flags &
                     GCCallbackFlags::kGCCallbackFlagCollectAllAvailableGarbage);
-        ASSERT_TRUE(flags & GCCallbackFlags::kGCCallbackFlagLastResort);
         prologue_count++;
       },
       [&](v8::Isolate* isolate, v8::GCType, v8::GCCallbackFlags flags) {
         ASSERT_TRUE(flags &
                     GCCallbackFlags::kGCCallbackFlagCollectAllAvailableGarbage);
-        ASSERT_TRUE(flags & GCCallbackFlags::kGCCallbackFlagLastResort);
         epilogue_count++;
       });