Horton

Re: LLVM 22

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Devrim Gündüz <devrim@gunduz.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Matheus Alcantara <matheusssilv97@gmail.com>, Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com>
Date: 2026-04-02T04:26:42Z
Lists: pgsql-hackers 
Thomas Munro <thomas.munro@gmail.com> writes:
> On Thu, Apr 2, 2026 at 4:31 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Just out of curiosity: I see you back-patched that all the way,
>> but midge had only been failing on v18 and HEAD.  Were you just
>> being defensive, or is there something deeper there?

> It was failing locally for me on all branches.

Ah, thanks for that detail.

> I don't know why midge wasn't failing on 14-17.  Could jit be disabled
> somewhere secret?  Aarch64 vs amd64, but this issue doesn't seem to be
> architecture related, it's IR-level.

Definitely not arch-specific, because I reproduced it on x86_64.
midge's lack of failure is odd then, but I'm not sure it's worth
expending a lot of brain cells on.

			regards, tom lane

Commits

  1. jit: No backport::SectionMemoryManager for LLVM 22.

  2. jit: Stop emitting lifetime.end for LLVM 22.