On Tue, Aug 31, 2010 at 2:51 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Dave Page <dpage(at)pgadmin(dot)org> writes:
>>> On Mon, Aug 30, 2010 at 3:50 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>>> Also, although moa is actually green for 8.3, it's showing an initdb
>>>> failure in 8.4 and up ("cache lookup failed for type 0" while processing
>>>> system_views.sql). I'm betting this is some sort of
>>>> over-aggressive-optimization problem, but it's hard to tell much from
>>>> the buildfarm logs. Could you look into that and find out exactly where
>>>> it's failing?
>> Looks like -xO4 caused this. -xO3 seems to be OK in a test.
> Hmm. I wonder whether -xO4 invokes something comparable to strict
> aliasing optimizations. Does Sun Studio have anything corresponding to
> -fno-strict-aliasing ?
A quick Google gives:
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