RFC: Backport fix for Sun Bug 6539464 (Math.log() produces inconsistent results)

[Omair Majid]

Andrew Haley wrote:
> Andrew John Hughes wrote:
>> 2009/5/12 Andrew Haley <aph at redhat.com>:
>>> Omair Majid wrote:
>>>> Hi,
>>>>
>>>> There is an issue in HS14 on x86_64 where calls to Math.log() can return
>>>> different values for the same input value. This patch backports the fix
>>>> [1] from OpenJDK7 (b56) to IcedTea6
>>>>
>>>> Sun's bug entry:
>>>> http://bugs.sun.com/view_bug.do?bug_id=6539464
>>>> Red Hat's bugzilla entry:
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=500077
>>>>
>>>> ChangeLog:
>>>> 2009-05-11  Omair Majid  <omajid at redhat.com>
>>>>
>>>>     * patches/hotspot/default/icedtea-6539464.patch: New file. Backport
>>>>       fix for Sun Bug 6539464 from OpenJDK7
>>>>     * Makefile.am (ICEDTEA_PATCHES): Apply the above.
>>>>     * HACKING: Document the above.
>>> Well caught!  Please push this upstream straight away.  I imagine it'll be
>>> approved immediately.
> 
>> Except there's still no upstream hs14 to push to...
> 
> Well, yeah: tell us something we _don't_ know!  No reason not to submit
> it upstream for approval.
> 
> Andrew.

Filed as http://bugs.openjdk.java.net/show_bug.cgi?id=100051

Cheers,
Omair