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[Bug math/14048] fmod() incorrectly returns NaN for (some?) denormalized inputs
- From: "carlos_odonell at mentor dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Mon, 25 Jun 2012 22:22:18 +0000
- Subject: [Bug math/14048] fmod() incorrectly returns NaN for (some?) denormalized inputs
- Auto-submitted: auto-generated
- References: <bug-14048-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14048
--- Comment #11 from Carlos O'Donell <carlos_odonell at mentor dot com> 2012-06-25 22:22:18 UTC ---
(In reply to comment #10)
> On Mon, 25 Jun 2012, carlos_odonell at mentor dot com wrote:
>
> > Shall we drop the testsuite addition from the backport?
>
> The most conservative backport would be just patch 1/3, without the
> testsuite addition - 1/3 is fixing the regression in 2.15 (a regression
> introduced by the addition of the wordsize-64 version), the other patches
> are fixing a failure that showed up for powerpc with the new testcases but
> as far as I know that powerpc failure is not a regression.
The Power failure is still a failure and should be fixed.
Please checkin all three patches *without* the testsuite addition.
I want to avoid people working with a stable branch having testsuite failures
show up out of thin air because we fixed a bug. That's OK for trunk, but not OK
for a stable branch. The new testsuite failure is difficult and time-consuming
for non-experts to diagnose. We hide this by fixing the bug, and using the
regression test to verify the fix, but then dropping the testcase from the
backport.
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