Add missing TPH guards

These guards are needed since the third part heaps don't use the
deserialization reservation system.

Bug: v8:9533
Change-Id: I0e8bd7928581979bed15abdfaf639c9fdfc8a30f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030908
Commit-Queue: Steve Blackburn <steveblackburn@google.com>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66108}

src/snapshot/deserializer-allocator.cc

@@ -140,6 +140,7 @@ void DeserializerAllocator::DecodeReservation(
 }
 
 bool DeserializerAllocator::ReserveSpace() {
+  DCHECK(!V8_ENABLE_THIRD_PARTY_HEAP_BOOL);
 #ifdef DEBUG
   for (int i = 0; i < kNumberOfSpaces; ++i) {
     DCHECK_GT(reservations_[i].size(), 0);

src/snapshot/object-deserializer.cc

@@ -33,8 +33,9 @@ ObjectDeserializer::DeserializeSharedFunctionInfo(
 
 MaybeHandle<HeapObject> ObjectDeserializer::Deserialize(Isolate* isolate) {
   Initialize(isolate);
-
+#if !V8_ENABLE_THIRD_PARTY_HEAP_BOOL
   if (!allocator()->ReserveSpace()) return MaybeHandle<HeapObject>();
+#endif
 
   DCHECK(deserializing_user_code());
   HandleScope scope(isolate);

src/snapshot/partial-deserializer.cc

@@ -31,9 +31,11 @@ MaybeHandle<Object> PartialDeserializer::Deserialize(
     Isolate* isolate, Handle<JSGlobalProxy> global_proxy,
     v8::DeserializeEmbedderFieldsCallback embedder_fields_deserializer) {
   Initialize(isolate);
+#if !V8_ENABLE_THIRD_PARTY_HEAP_BOOL
   if (!allocator()->ReserveSpace()) {
     V8::FatalProcessOutOfMemory(isolate, "PartialDeserializer");
   }
+#endif
 
   AddAttachedObject(global_proxy);
 

src/snapshot/startup-deserializer.cc

@@ -16,9 +16,11 @@ namespace internal {
 void StartupDeserializer::DeserializeInto(Isolate* isolate) {
   Initialize(isolate);
 
+#if !V8_ENABLE_THIRD_PARTY_HEAP_BOOL
   if (!allocator()->ReserveSpace()) {
     V8::FatalProcessOutOfMemory(isolate, "StartupDeserializer");
   }
+#endif
 
   // No active threads.
   DCHECK_NULL(isolate->thread_manager()->FirstThreadStateInUse());