Re: New gnulib wrappers with glibc 2.21.

[Paul Eggert]

Pádraig Brady wrote:
> Invalid values no longer crash, though they may generate surprising results.

That should be good enough for gnulib, so I installed the attached gnulib patch 
(compressed, since it's long and boring).  This should fix the isnan* failures 
that the gnulib tests report for glibc; these failures were discussed in 
<https://sourceware.org/ml/libc-alpha/2015-02/msg00207.html>.

0001-printf-isinf-etc.-noncanonical-NaN.patch.gz
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