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From: Tender Wang <[email protected]>
To: Tom Lane <[email protected]>
Cc: Калинин Никита <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: [email protected]
Cc: Pierre Forstmann <[email protected]>
Subject: Re: BUG #19493: Assertion failure in pg_plan_advice with EXISTS subquery and DO_NOT_SCAN advice
Date: Wed, 27 May 2026 09:17:39 +0800
Message-ID: <CAHewXNn7q9Bm=i=ZBMJxUsmFhavfdxwbwVzdhsV9uXZOk584HQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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Tom Lane <[email protected]> 于2026年5月27日周三 09:08写道：
>
> =?UTF-8?B?0JrQsNC70LjQvdC40L0g0J3QuNC60LjRgtCw?= <[email protected]> writes:
> > Could this be related to GCC? I'm using GCC 16.1.1 and I can reproduce the crash with that version.
>
> Maybe.  Does it still fail if you set the optimization level to -O0 ?
I can reproduce this crash on my machine with CFLAGS="-O0 -g3". And my
GCC version is 11.4.0


-- 
Thanks,
Tender Wang

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