initialise a barrier with zero count
pthread_barrier_init: 'count' argument is zero: barrier 0x........
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)


initialise a barrier twice
Barrier reinitialization: barrier 0x........
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)
barrier 0x........ was first observed at:
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)


initialise a barrier which has threads waiting on it
Barrier reinitialization: barrier 0x........
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)
barrier 0x........ was first observed at:
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)


destroy a barrier that has waiting threads
Destruction of a barrier with active waiters: barrier 0x........
   at 0x........: pthread_barrier_destroy (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)
barrier 0x........ was first observed at:
   at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)


destroy a barrier that was never initialised
Not a barrier
   at 0x........: pthread_barrier_destroy (drd_pthread_intercepts.c:?)
   by 0x........: main (bar_bad.c:?)


ERROR SUMMARY: 6 errors from 5 contexts (suppressed: 0 from 0)