This appears to have broken the 32-bit x86 build.
pthread_mutex_unlock.c: In function '__pthread_mutex_unlock_usercnt':
pthread_mutex_unlock.c:67:40: error: macro "lll_unlock_elision" passed 3 arguments, but takes just 2
PTHREAD_MUTEX_PSHARED (mutex));
^
--
Joseph S. Myers
joseph@codesourcery.com