Use conservative hash table capacity growth during entire snapshotting.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 7afce5a885b8e038a5a40c28437eb2036c08ecd9..d92f4bc0763be62d08127eabc84b2f3aeedcbd2a 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -14725,12 +14725,12 @@ Handle<Derived> HashTable<Derived, Shape, Key>::New(
     PretenureFlag pretenure) {
   DCHECK(0 <= at_least_space_for);
   DCHECK(!capacity_option || base::bits::IsPowerOfTwo32(at_least_space_for));
-  int capacity =
-      (capacity_option == USE_CUSTOM_MINIMUM_CAPACITY)
-          ? at_least_space_for
-          : isolate->serializer_enabled() && isolate->bootstrapper()->IsActive()
-                ? ComputeCapacityForSerialization(at_least_space_for)
-                : ComputeCapacity(at_least_space_for);
+
+  int capacity = (capacity_option == USE_CUSTOM_MINIMUM_CAPACITY)
+                     ? at_least_space_for
+                     : isolate->creating_default_snapshot()
+                           ? ComputeCapacityForSerialization(at_least_space_for)
+                           : ComputeCapacity(at_least_space_for);
   if (capacity > HashTable::kMaxCapacity) {
     v8::internal::Heap::FatalProcessOutOfMemory("invalid table size", true);
   }