NetBSD Problem Report #55976

From gson@gson.org  Thu Feb  4 18:46:59 2021
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Message-Id: <20210204184628.3962B253EDE@guava.gson.org>
Date: Thu,  4 Feb 2021 20:46:28 +0200 (EET)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@NetBSD.org
Subject: usr.bin/xlint/lint1/t_integration:all_messages test case fails
X-Send-Pr-Version: 3.95

>Number:         55976
>Category:       bin
>Synopsis:       usr.bin/xlint/lint1/t_integration:all_messages test case fails
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 04 18:50:00 +0000 2021
>Closed-Date:    
>Last-Modified:  Mon Mar 01 00:55:01 +0000 2021
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date >= 2021.01.05.22.38.51
>Organization:
>Environment:
System: NetBSD
Architecture: i386
Machine: i386
>Description:

On Jan 6, the NetBSD Test Fixture reported:

  This is an automatically generated notice of a new failure of the
  NetBSD test suite.

  The newly failing test case is:

      usr.bin/xlint/lint1/t_integration:all_messages

  The above test failed in each of the last 4 test runs, and passed in
  at least 26 consecutive runs before that.

  The following commits were made between the last successful test and
  the failed test:

      2021.01.05.22.17.40 mlelstv src/share/man/man4/dk.4,v 1.8
      2021.01.05.22.38.51 rillig src/tests/usr.bin/xlint/lint1/msg_324.c,v 1.2
      2021.01.05.22.38.51 rillig src/tests/usr.bin/xlint/lint1/msg_324.exp,v 1.2

  Logs can be found at:

      http://releng.NetBSD.org/b5reports/i386/commits-2021.01.html#2021.01.05.22.38.51

This is still failing as of today.

>How-To-Repeat:

Run the tests.

>Fix:

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->closed
State-Changed-By: rillig@NetBSD.org
State-Changed-When: Thu, 04 Feb 2021 19:21:49 +0000
State-Changed-Why:
This was fixed on msg_324.c 1.4 from 2021-01-06 09:23:04.


State-Changed-From-To: closed->open
State-Changed-By: gson@NetBSD.org
State-Changed-When: Thu, 04 Feb 2021 19:56:35 +0000
State-Changed-Why:
It was re-broken after being fixed.


From: Andreas Gustafsson <gson@gson.org>
To: rillig@NetBSD.org
Cc: gnats-bugs@netbsd.org
Subject: Re: bin/55976 (usr.bin/xlint/lint1/t_integration:all_messages test case fails)
Date: Thu, 4 Feb 2021 21:55:31 +0200

 rillig@NetBSD.org wrote:
 > State-Changed-From-To: open->closed
 > State-Changed-By: rillig@NetBSD.org
 > State-Changed-When: Thu, 04 Feb 2021 19:21:49 +0000
 > State-Changed-Why:
 > This was fixed on msg_324.c 1.4 from 2021-01-06 09:23:04.

 Yes, but it was broken again on 2021-01-08 21:25:03:

   http://releng.netbsd.org/b5reports/i386/commits-2021.01.html#2021.01.08.21.25.03

 and still failed today:

   http://releng.netbsd.org/b5reports/i386/2021/2021.02.04.15.08.44/test.html#usr.bin_xlint_lint1_t_integration_all_messages

 -- 
 Andreas Gustafsson, gson@gson.org

From: Roland Illig <roland.illig@gmx.de>
To: Andreas Gustafsson <gson@NetBSD.org>
Cc: gnats-bugs@netbsd.org
Subject: Re: bin/55976 (usr.bin/xlint/lint1/t_integration:all_messages test
 case fails)
Date: Thu, 4 Feb 2021 23:41:31 +0100

 On 04.02.2021 20:55, Andreas Gustafsson wrote:
 > rillig@NetBSD.org wrote:
 >> State-Changed-From-To: open->closed
 >> State-Changed-By: rillig@NetBSD.org
 >> State-Changed-When: Thu, 04 Feb 2021 19:21:49 +0000
 >> State-Changed-Why:
 >> This was fixed on msg_324.c 1.4 from 2021-01-06 09:23:04.
 >
 > Yes, but it was broken again on 2021-01-08 21:25:03:
 >
 >    http://releng.netbsd.org/b5reports/i386/commits-2021.01.html#2021.01.=
 08.21.25.03
 >
 > and still failed today:
 >
 >    http://releng.netbsd.org/b5reports/i386/2021/2021.02.04.15.08.44/test=
 .html#usr.bin_xlint_lint1_t_integration_all_messages

 Given that the test is called "all_messages" and contains 338 sub-tests,
 it's no surprise that some of them fail from time to time since lint
 behaves differently on 32-bit and 64-bit platforms.  It's not the same
 sub-tests that fail though.  The PR is about message 324, while
 currently messages 56 and 259 fail.

 I am fixing these tests as soon as I notice them, from my point of view
 there is no need to file a PR for that.  For 259 I'm unsure how to fix
 it for all platforms at once, therefore I only committed some
 documentation that the test fails on i386.

 In my pre-commit hook, I verify that the tests run fine on x86_64, to
 prevent me from committing complete crap.  I should probably add i386 to
 that as well.  From lint's point of view, there is no difference between
 i386 and sparc, they are both ILP32 platforms.  Therefore I think its
 unnecessary to test sparc or sparc64 as well.

 Roland

From: "Roland Illig" <rillig@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/55976 CVS commit: src/usr.bin/xlint/lint1
Date: Mon, 1 Mar 2021 00:51:01 +0000

 Module Name:	src
 Committed By:	rillig
 Date:		Mon Mar  1 00:51:01 UTC 2021

 Modified Files:
 	src/usr.bin/xlint/lint1: lex.c

 Log Message:
 lint: only warn once about integer constant overflow on 32-bit

 Previously, the test msg_056.c warned twice about the integer literal,
 but only on 32-bit platforms.  On 64-bit platforms, there was only a
 single warning since the integer constant was converted to type
 __uint128_t, and this prevented the second warning.  On 32-bit targets,
 there is no __uint128_t though.

 Fixes part of PR bin/55976.


 To generate a diff of this commit:
 cvs rdiff -u -r1.10 -r1.11 src/usr.bin/xlint/lint1/lex.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

>Unformatted:

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