Don't require test wrappers to preserve environment variables, use more consistent environment

[Andreas Schwab]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> On Sat, 14 Jun 2014, Andreas Schwab wrote:
>
>> This breaks backward compatibility.
>
> Yes, that's my understanding of what was requested in 
> <https://sourceware.org/ml/libc-alpha/2014-05/msg00715.html>: "a simple 
> rule that no magic environment bits from the build host implicitly affect 
> the test host".

TIMEOUTFACTOR is not magic.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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