[perl #129291] [BUG] [SEGV] problems when run()ning two procs and passing the :out of one to the :in of the other

[Zoffix Znet via RT]

On Wed Sep 21 19:37:06 2016, ddgr...@gmail.com wrote:
> Test added in https://github.com/perl6/roast/commit/6cc1a85cf4

This ticket still needs tests for Windows.