[patch] libstdc++/48891 Use ::isinf and ::isnan if libc defines them

[Jonathan Wakely]

On 13/01/16 16:26 +0000, Jonathan Wakely wrote:
>On 08/01/16 13:59 +0000, Jonathan Wakely wrote:
>>I'm only checking for those functions for *-*-*gnu* targets, as I
>>don't know of any other targets where it's an issue. Solaris and
>>the BSDs don't define those functions. If it affects other targets we
>>can extend the check to cover them too.

AIX also defines ::isinf and ::isnan, so this extends the configure
check to AIX.

Committed to trunk.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: patch.txt
Type: text/x-patch
Size: 1488 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20160115/effb095b/attachment.bin>