* gdb.base/args.c (main): Add breakpoint marker.

* gdb.base/args.exp: Use args_test for tests.  Add new tests which
	really test empty arguments.
	(args_load): Delete.
	(args_test): New.

gdb/testsuite/gdb.base/args.c

@@ -8,5 +8,5 @@ main (int argc, char **argv)
   while (i < argc)
     printf ("%s\n", argv[i++]);
 
-  return 0;
+  return 0; /* set breakpoint here */
 }