gcc-4.3 optimizer bugs?
Neal Becker
ndbecker2 at gmail.com
Wed Feb 27 12:51:24 UTC 2008
Horst H. von Brand wrote:
> Neal Becker <ndbecker2 at gmail.com> 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
>
> That probably means there is a problem with the memory layout (something
> stomping on your variables?).
Even if valgrind is silent?
(BTW, this is not my code)
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