On Sun, Aug 2, 2020 at 3:16 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I've concluded that this is probably a compiler bug. It doesn't fail
> at optimization level -O0 or -O2, only -O1; and trying to step through
> gen_partprune_steps_internal() suggests that the part_scheme local
> variable is changing value, which it surely should not. Since gaur
> is running an ancient gcc version, and -O1 is doubtless a pretty
> under-tested optimization level, bugs there are not so surprising.
>
> There wasn't any amazingly good reason to be using -O1 for gaur,
> so I've switched the animal to use -O2. I expect it'll go back
> to green in a few hours.
I checked that gaur got back to green. Thanks!
Best regards,
Etsuro Fujita
