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Thomas Miedema authored
This allows run_command's to contain `|`, and `no_stdin` isn't necessary anymore. Unfortunately it doesn't fix T7037 on Windows which I had hoped it would (testsuite driver tries to read a file that it just created itself, but the OS says it doesn't exist). The only drawback of this commit is that the command that the testsuite prints to the terminal (for debugging purposes) doesn't mention the files that stdout and stderr are redirected to anymore. This is probably ok. Update submodule unix. Differential Revision: https://phabricator.haskell.org/D1234
58f0086b