values that can be represented exactly.
* gdb.base/call-ar-st.exp (print print_small_structs): Fixed to match
above change, and to not check against the directory part of the source
file name.
(step into print_long_arg_list): Likewise.
(print print_small_structs from print_long_arg_list): Likewise.
(print print_long_arg_list): Likewise.