message: [SwiftREPL] Catch up with changes upstream.
  lldb failing to parse arguments now returns an exit code of 1,
  update the test to reflect the new world order.
diff: // RUN: %lldb --repl --repl-language c++ 2>&1 | FileCheck %s --check-prefix=CPP
  // CPP: error: couldn't find a REPL for c++
  -// RUN: %lldb --repl --repl-language patatino 2>&1 | FileCheck %s \
  +// RUN: not %lldb --repl --repl-language patatino 2>&1 | FileCheck %s \
  // RUN: --check-prefix=INVALID
  // INVALID: error: Unrecognized language name: "patatino"
  