zmq_connect(socket, "pgm://localhost;localhost:5555");

[bigwhitegg]

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Issue description

The program crashed when I used the type of pgm in the connection.

Environment

visual studio 2017 x64

• libzmq version (commit hash if unreleased): libzmq-v141-mt-4_3_5.lib
• OS: windows 10

Minimal test code / Steps to reproduce the issue

The source code is as follows：

void *ctx = zmq_ctx_new();
assert(ctx);

void *socket = zmq_socket(ctx, ZMQ_SUB);
assert(socket);
/* Connect it to an in-process transport with the address 'my_publisher' */
int rc = zmq_connect(socket, "pgm://localhost;localhost:5555"); 
assert(rc == 0);

What's the actual result? (include assertion message & call stack if applicable)

What's the expected result?

[bigwhitegg]

[bigwhitegg]