[PATCH] Fixes tree-loop-distribute-patterns issues

[Ondřej Bílka]

On Thu, Jun 20, 2013 at 10:58:32AM -0700, Roland McGrath wrote:
> Further, I think we should apply the macro to every simple_* function in
> every string/ test (not just the ones we know today have an issue).  But
> that could be a separate follow-up patch if you prefer.
> 
Actually you should split simple_* to separate files and compile them with
O0.

Doing otherwise makes their performance dependent on gcc version and
this makes results even more unreliable.