[issue5724] 2.6.2c1 fails to pass test_cmath on Solaris10

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

Just to say, I'm a bit uncomfortable with a patch this large going into a 
release candidate.  It's all code that's been backported from 2.7, so it 
*should* be okay, but I really don't want to be responsible for breaking 
2.6.2.

The test failure that Skip reports *is* due to a bug, but the bug is 
platform-specific (only affects x86 platforms where the math library 
doesn't have isinf or isnan---in practice, that's only Solaris/x86), and 
it's a bug in a somewhat obscure corner case (overflow in cmath.acosh) 
that's not likely to affect many people.

I don't think the (small, I hope) risk of breaking a release candidate is 
worth the (even smaller, IMO) benefit from fixing this bug.  If Skip 
confirms that the patch works, I'd suggest that it can wait for 2.6.3.

Assigning back to Barry for pronouncement.

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assignee: marketdickinson -> barry

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