[PATCH] D16000: Add "/dev/console" as a special file name to lit

[Rafael Espíndola via llvm-commits]

> Here's my concern for moving this test into test-suite: I do not see how to specify a command-line for only
> one test. This particular test still needs to output to the console, but modifying the root makefile would risk
> making all tests output to the console. On the other hand, I agree that having a test in check-all that writes to
> the console does look ugly.
>

I wonder if we could add a 'REQUIRES: console" and have that be enable
with a command line option. That way it can be off by default and
still enabled in a bot.

Cheers,
Rafael