bug#23540: 25.1.50; make-ipv4-tcp-server-with-unspecified-port fails

[Ken Brown <kbrown@cornell.edu>]

On 5/14/2016 9:36 PM, Ken Brown wrote:
> Commit b73e525, as corrected by commit 4639bc9, causes the test
> make-ipv4-tcp-server-with-unspecified-port in
> test/lisp/net/network-streams-tests.el to fail with the error
>
>   Invalid argument 4 of operation `open-network-stream'.
>
> What happens is that make-network-process calls
> set_network_socket_coding_system, which calls open-network-stream with
> service eq t, which leads to the error in a way that I haven't sorted out.

I didn't get that last step right.  The error is generated by 
Ffind_operation_coding_system when it is called by

CALLN (Ffind_operation_coding_system,
	Qopen_network_stream, name, p->buffer,
	host, service)

in set_network_socket_coding_system.

Ken