Re: new heapcheck contrib module

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru>, Stephen Frost <sfrost(at)snowman(dot)net>, Michael Paquier <michael(at)paquier(dot)xyz>, Amul Sul <sulamul(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: new heapcheck contrib module
Date: 2020-10-22 14:58:36
Message-ID: 277472.1603378716@sss.pgh.pa.us
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lapwing just spit up a possibly relevant issue:

ccache gcc -std=gnu99 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -g -O2 -Werror -fPIC -I. -I. -I../../src/include -DENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/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 this function [-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors

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