Horton

Re: broken JIT support on Fedora 40

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Daniel Gustafsson <daniel@yesql.se>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2024-03-14T23:44:45Z
Lists: pgsql-hackers 
On Fri, Mar 15, 2024 at 12:27 PM Daniel Gustafsson <daniel@yesql.se> wrote:
> > On 14 Mar 2024, at 20:15, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>
> > build is ok, but regress tests fails with crash (it works without -with-llvm)
>
> Can you post some details around this crash?  It doesn't seem to be a
> combination we have covered in the buildfarm.

Yeah, 18.1 (note they switched to 1-based minor numbers, there was no
18.0) just came out a week or so ago.  Despite testing their 18 branch
just before their "RC1" tag, as recently as

commit d282e88e50521a457fa1b36e55f43bac02a3167f
Author: Thomas Munro <tmunro@postgresql.org>
Date:   Thu Jan 25 10:37:35 2024 +1300

    Track LLVM 18 changes.

at which point everything worked, it seems that something changed
before they released.  I haven't looked into why yet but it's crashing
on my FreeBSD box too.

Commits

  1. Run LLVM verify pass on IR in assert builds.

  2. Fix illegal attribute propagation in LLVM JIT.

  3. Track LLVM 18 changes.

  4. jit: Changes for LLVM 17.