gdb/testsuite/

gdb/testsuite/
	* gdb.python/py-finish-breakpoint.c (test_exec_exit): Change the
	parameter to self_exec, adjust the function.
	(main): Check for argv[1] "exit".  Use argv[0] for test_exec_exit.
	* gdb.python/py-finish-breakpoint.exp (set var self_exec = 0): New test.
	(set var do_exit = 0): Remove test.
	(newline at end of file): Add one.