src/share/vm/services/virtualMemoryTracker.hpp

rev 12121 : 8167650: NMT should check for invalid MEMFLAGS
Reviewed-by: dholmes, mockner

*** 91,100 ****
--- 91,101 ----
    VirtualMemory  _virtual_memory[mt_number_of_types];
  
   public:
    inline VirtualMemory* by_type(MEMFLAGS flag) {
      int index = NMTUtil::flag_to_index(flag);
+     assert(index >= 0 && index < mt_number_of_types, "Index out of bound.");
      return &_virtual_memory[index];
    }
  
    inline VirtualMemory* by_index(int index) {
      assert(index >= 0, "Index out of bound");