src/share/vm/utilities/globalDefinitions.hpp

*** 947,956 ****
--- 947,957 ----
  
  const jint     badInt           = -3;                       // generic "bad int" value
  const long     badAddressVal    = -2;                       // generic "bad address" value
  const long     badOopVal        = -1;                       // generic "bad oop" value
  const intptr_t badHeapOopVal    = (intptr_t) CONST64(0x2BAD4B0BBAADBABE); // value used to zap heap after GC
+ const int      badStackSegVal   = 0xCA;                     // value used to zap stack segments
  const int      badHandleValue   = 0xBC;                     // value used to zap vm handle area
  const int      badResourceValue = 0xAB;                     // value used to zap resource area
  const int      freeBlockPad     = 0xBA;                     // value used to pad freed blocks.
  const int      uninitBlockPad   = 0xF1;                     // value used to zap newly malloc'd blocks.
  const juint    uninitMetaWordVal= 0xf7f7f7f7;               // value used to zap newly allocated metachunk