On 12/13/2010 01:12 PM, Tom Lane wrote:
Andrew Dunstan<and...@dunslane.net> writes:
On 12/13/2010 12:01 PM, Tom Lane wrote:
It smells a little bit like an optimization bug. Does dialing down to
-O0 make it go away?
Sadly, no. I'm testing downgrading the compiler now.
Mph. FWIW, I see that my last build of Postgres for Fedora 14 would
have been with gcc 4.5.1, because that's what F14 is shipping. And
that passed its regression tests on at least x86 and x86_64. Maybe
you should pester the mingw folk for a compiler update.
Further digging shows some weirdness. This doesn't appear to be
compiler-related. I've rolled back all the way to gcc 3.5. It is
triggered by the following line in pg_regress.c, commenting out of which
causes the problem to go away (although of course it causes the
regression tests to fail):
putenv(new_pgoptions);
cheers
andrew
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