src/hotspot/share/gc/shared/ageTable.cpp

*** 69,10 ***
--- 69,19 ---
    for (size_t* p = sizes; p < sizes + table_size; ++p) {
      *p = 0;
    }
  }
  
+ #ifndef PRODUCT
+ bool AgeTable::is_clear() const {
+   for (const size_t* p = sizes; p < sizes + table_size; ++p) {
+     if (*p != 0) return false;
+   }
+   return true;
+ }
+ #endif // !PRODUCT
+ 
  void AgeTable::merge(const AgeTable* subTable) {
    for (int i = 0; i < table_size; i++) {
      sizes[i]+= subTable->sizes[i];
    }
  }