glibc: Properly handle forced elision in pthread mutex trylock
This update fixes the following issue with glibc:
- bnc#865968: Properly handle forced elision in pthread mutex trylock
-
Submitted by
Andreas Schwab (Andreas_Schwab)
Fixed bugs
bnc#865968
pthread_mutex_destroy returns EBUSY after using pthread_mutex_trylock followed by pthread_mutex_unlock on systems with lock elision