gcc-4.3 optimizer bugs?

[Orion Poplawski]

Callum Lerwick wrote:
> On Wed, 2008-02-27 at 05:45 -0500, Neal Becker wrote:
>> We are trying to track down a numerical problem with unuran that occurs on
>> gcc-4.3.  I know that gcc now has a very extensive test suite, and bugs are
>> not common.  I'm just wondering, are others finding similar problems with
>> gcc-4.3?
>>
>> We are working on preparing a bug report.  The symptoms are:
>> 1) Problem disappears if -O0
>> 2) Problem disappears if a printf is added
>> 3) valgrind is silent
> 
> Aliasing bug? See if -fno-strict-aliasing works around it.
> 

Fixes qhull.

-- 
Orion Poplawski
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