This is a great hack (if it works). My reading is the same as yours -- and 22.2.7.1 does say "anywhere". Unfortunately, my spare G2 Launchpad seems to be dead, so I can't try it. One suggestion: Jumper the UART TX/RX lines together to make it loop back. That will eliminate variables such as bit rate mismatch and Host-program intolerance of non-ASCII. It will also let you see whether anything (even if mangled) came in by looking at RXIFG.
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