Re: Missing llvm_leave_fatal_on_oom() call

Daniel Gustafsson <daniel@yesql.se>

From: Daniel Gustafsson <daniel@yesql.se>
To: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2023-07-04T16:33:10Z
Lists: pgsql-hackers
> On 21 Feb 2023, at 15:50, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> 
> llvm_release_context() calls llvm_enter_fatal_on_oom(), but it never calls llvm_leave_fatal_on_oom(). Isn't that a clear leak?

Not sure how much of a leak it is since IIUC LLVM just stores a function
pointer to our error handler, but I can't see a reason not clean it up here.
The attached fix LGTM and passes make check with jit_above_cost set to zero.

--
Daniel Gustafsson




Commits

  1. Fix leak of LLVM "fatal-on-oom" section counter.