| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | "Daniel Westermann (DWE)" <daniel(dot)westermann(at)dbi-services(dot)com> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Compiler warning on Debian 12, PostgreSQL 16 Beta3 |
| Date: | 2023-11-07 15:46:53 |
| Message-ID: | 202311071546.drjynrf7itsn@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2023-Aug-25, Daniel Westermann (DWE) wrote:
> I've just noticed this warning when building on Debian 12:
>
> In file included from /usr/lib/llvm-14/include/llvm/Analysis/ModuleSummaryAnalysis.h:17,
> from llvmjit_inline.cpp:51:
> /usr/lib/llvm-14/include/llvm/IR/ModuleSummaryIndex.h: In constructor ‘llvm::ModuleSummaryIndex::ModuleSummaryIndex(bool, bool)’:
> /usr/lib/llvm-14/include/llvm/IR/ModuleSummaryIndex.h:1175:73: warning: member ‘llvm::ModuleSummaryIndex::Alloc’ is used uninitialized [-Wuninitialized]
> 1175 | : HaveGVs(HaveGVs), EnableSplitLTOUnit(EnableSplitLTOUnit), Saver(Alloc),
> |
Yeah, I get this one too. I thought commit 37d5babb5cfa ("jit: Support
opaque pointers in LLVM 16.") was going to silence it, but I was quite
mistaken. I gave that code a quick look and could not understand what
it was complaining about. Is it a bug in the LLVM headers?
Adding Andres and Thomas to CC, because they're the ones touching the
LLVM / JIT code.
Any clues?
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
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