RFA: revert libstdc++ r205810: simulator workload increase caused regression

[Yufeng Zhang]

On 12/16/13 04:22, Hans-Peter Nilsson wrote:
>> From: Hans-Peter Nilsson<hp@axis.com>
>> Date: Sun, 15 Dec 2013 15:20:48 +0100
>
>> +// { dg-options "-std=gnu++0x -DSAMPLES=30000" { target { { arm*-* }&&  simulator } } }
>> +// { dg-options "-std=gnu++0x -DSAMPLES=10000" { target simulator } }
>
> JFTR, I managed to have two bugs here:
> 1 - the target tuple (unless being an "effective target") must match "*-*-*".
> 2 - the *last* matching line is used.
>
> But as mentioned, I'd prefer to split chi2_quality.cc into
> (five) separate tests, if a maintainer would be ok with that.

Sorry that the commit causes the timeout on cris-elf.  I agree that it 
would be nicer to split chi2_quality.cc.

Thanks,
Yufeng