From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
cc: Mark Dilger <mark.dilger@enterprisedb.com>, Peter Geoghegan <pg@bowt.ie>,
        "Andrey M. Borodin" <x4mmm@yandex-team.ru>,
        Stephen Frost <sfrost@snowman.net>,
        Michael Paquier <michael@paquier.xyz>, Amul Sul <sulamul@gmail.com>,
        Dilip Kumar <dilipbalaut@gmail.com>,
        Andres Freund <andres@anarazel.de>,
        PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: new heapcheck contrib module
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Comments: In-reply-to Robert Haas <robertmhaas@gmail.com>
	message dated "Thu, 22 Oct 2020 10:46:51 -0400"
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Date: Thu, 22 Oct 2020 10:58:36 -0400
Message-ID: <277472.1603378716@sss.pgh.pa.us>
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lapwing just spit up a possibly relevant issue:

ccache gcc -std=3Dgnu99 -Wall -Wmissing-prototypes -Wpointer-arith -Wdecla=
ration-after-statement -Werror=3Dvla -Wendif-labels -Wmissing-format-attri=
bute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=3Ds=
tandard -g -O2 -Werror -fPIC -I. -I. -I../../src/include  -DENFORCE_REGRES=
SION_TEST_NAME_RESTRICTIONS -D_GNU_SOURCE -I/usr/include/libxml2  -I/usr/i=
nclude/et  -c -o verify_heapam.o verify_heapam.c
verify_heapam.c: In function 'get_xid_status':
verify_heapam.c:1432:5: error: 'fxid.value' may be used uninitialized in t=
his function [-Werror=3Dmaybe-uninitialized]
cc1: all warnings being treated as errors