* irix_threads.cc (GC_pthread_detach): Do not use REAL_FUNC.

	(GC_pthread_create): Fix typo.
	(GC_TRY_LOCK): Likewise.
	* include/private/gc_locks.h (GC_test_and_set): Only take one
	one argument.
	(LOCK): Adjust appropriately.
	* include/private/gc_priv.h (SIG_SUSPEND): Use SIGRTMIN if
	_SIGRTMIN is unavailable.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53636 138bc75d-0d04-0410-961f-82ee72b054a4