2012-07-20 Pedro Alves <palves@redhat.com>

2012-07-20  Pedro Alves  <palves@redhat.com>

	PR threads/11692
	PR gdb/12203

	gdb/
	* infrun.c (handle_inferior_event) <new thread>: Don't special
	case minus_one_ptid.
	<TARGET_WAITKIND_SPURIOUS>: Ditto.
	* linux-thread-db.c (thread_get_info_callback): Don't return early
	if the thread is zombie.
	(thread_from_lwp): Change return type to void.  Rewrite stale
	comment.
	(attach_thread): Don't return early if the thread is zombie,
	instead set its "dying" flag.
	(thread_db_wait): Don't return TARGET_WAITKIND_SPURIOUS anymore.
	(find_new_threads_callback): Don't return early if the thread is
	zombie.

	gdb/testsuite/
	* gdb.threads/create-fail.c: New file.
	* gdb.threads/create-fail.exp: New file.