[PATCH][TEST] Improve tests for #pragma clang optimize off/on

[Aaron Ballman]

On Mon, Jul 28, 2014 at 10:16 AM, Dario Domizioli
<dario.domizioli at gmail.com> wrote:
>
> Ping. :-)
>
> It's just a test improvement patch so it shouldn't be controversial.

LGTM!

Btw, improved test coverage is something that can usually be dealt
with post-commit, especially when it's functionality you've been
involved with before.

~Aaron