Separate checks for batch contents when inserting objects in central …

…freelist.

That way, we know if the failures are due to empty batch or if transfer cache is trying to insert > kkMaxObjectsToMove objects.

PiperOrigin-RevId: 571357418
Change-Id: I1865790c695c1d2d14b4cbc7ee251704e41fc5e5

tcmalloc/central_freelist.h

@@ -385,7 +385,8 @@ inline size_t CentralFreeList<Forwarder>::NumSpansInList(int n) {
 
 template <class Forwarder>
 inline void CentralFreeList<Forwarder>::InsertRange(absl::Span<void*> batch) {
-  CHECK_CONDITION(!batch.empty() && batch.size() <= kMaxObjectsToMove);
+  CHECK_CONDITION(!batch.empty());
+  CHECK_CONDITION(batch.size() <= kMaxObjectsToMove);
   Span* spans[kMaxObjectsToMove];
   // First, map objects to spans and prefetch spans outside of our mutex
   // (to reduce critical section size and cache misses).