On Fri, Mar 29, 2024 at 4:00 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Fri, Mar 29, 2024 at 3:48 PM Noah Misch <noah@leadboat.com> wrote:
> > The thread Alvaro and Tom cited contains an analysis. It's a compiler bug.
> > You can get past the compiler bug by upgrading your compiler; both ibm-clang
> > 17.1.1.2 and gcc 13.2.0 are free from the bug.
>
> For the specific issue that triggered that, I strongly suspect that it
> would go away if we just used smgrzeroextend() instead of smgrextend()
> using that variable with the alignment requirement, since, as far as I
> can tell from build farm clues, the otherwise similar function-local
> static variable used by the former (ie one that the linker must still
> control the location of AFAIK?) seems to work fine.
Oh, sorry, I had missed the part where newer compilers fix the issue
too. Old out-of-support versions of AIX running old compilers, what
fun.