With the latest parrot the tests in S19-command-line/dash-e.t pass on Mac OS X. I unfudged the tests with commit https://github.com/perl6/roast/commit/5d89b2877e and I'm closing this ticket now.
[perl #111572] [BUG] Unicode problem with 2012.0 on Mac OSX 10.7.3
Christian Bartolomaeus via RT Mon, 10 Nov 2014 11:25:34 -0800