replace assert with SNMALLOC_ASSERT

src/mem/allocstats.h

@@ -34,7 +34,7 @@ namespace snmalloc
 
       void dec()
       {
-        assert(current > 0);
+        SNMALLOC_ASSERT(current > 0);
         current--;
       }
 
@@ -143,7 +143,7 @@ namespace snmalloc
 
 #ifdef USE_SNMALLOC_STATS
       auto index = (size == 0) ? 0 : bits::to_exp_mant<BUCKETS_BITS>(size);
-      assert(index < TOTAL_BUCKETS);
+      SNMALLOC_ASSERT(index < TOTAL_BUCKETS);
       bucketed_requests[index]++;
 #endif
     }