Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> Alexander did some extensive testing and we stared at the codegen on a
> lot of architectures to confirm that this prevents the reordering.
> Pushed and back-patched like that.
You're a brave man to be pushing this into the last-ever release
of v13 with all of 12 hours remaining till code freeze. I don't
mind so much for the newer branches, but I'm feeling nervous
about the risk/reward ratio for v13.
regards, tom lane