Debian bug report logs - #1309, boring messages

Subject: Bug#1309: Problems with Debian: gcc or glib
Reply-To: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>, debian-bugs@pixar.com
Resent-From: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>
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Date: Sat, 02 Sep 1995 15:53:24 +0200
From: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>

Package: gcc
Version: 2.6.3-4

Package: libc
Version: 4.6.27-5

Package: binutils
Version: 2.5.2-3

Dear Debian'ers,

I've a problem with gcc/ld and libm. When I compile this program:
---   8< 8< 8<   ---
/* file test.c */
#include <math.h>
main() {
  double j, k = 1.0;
  j = sin(k);
  printf("worked\n");
}
---   >8 >8 >8   ---

with 'gcc test.c -lm', it works fine.  But if I try with
'gcc -g test.c -lm', then I get a segmentation fault.
Needless to say, in other platforms gcc does not have this
funny behavior ;-)...


When I try to debug the program compiled with '-g', using
gdb, I get:
---   8< 8< 8<   ---
$ gdb a.out
(gdb) b 1
Breakpoint 1 at 0x1084: file test.c, line 1.
(gdb) run
Starting program: /home/jpp/C/testing/a.out

Program received signal SIGSEGV, Segmentation fault.
0x62f0136e in end ()
(gdb)
---   >8 >8 >8   ---

I am using Debian 0.93R5, kernel version 1.2.13.

Thanks for any enlightenment,


Joao Pedro PEDROSO		Universite Catholique de Louvain
				CORE - room b.140
jpp@core.ucl.ac.be		34 voie du Roman Pays
Tel: +32-10-474325		B-1348 Louvain-la-Neuve
Fax: +32-10-474301		BELGIUM
----------------------------------------------------------------

From: iwj10@thor.cam.ac.uk (Ian Jackson)
To: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>
Subject: Bug#1309: Acknowledgement (was: Problems with Debian: gcc or glib)
In-Reply-To: <m0sot0j-0002qeC@kaj69.core.ucl.ac.be>
References: <m0sot0j-0002qeC@kaj69.core.ucl.ac.be>

Thank you for the problem report you have sent regarding Debian GNU/Linux.
This is an automatically generated reply, to let you know your message has
been received.  It is being forwarded to the developers' mailing list for
their attention; they will reply in due course.

If you wish to submit further information on your problem, please send
it to debian-bugs@pixar.com, but please ensure that the Subject
line of your message starts with "Bug#1309" or "Re: Bug#1309" so that
we can identify it as relating to the same problem.

Please do not reply to the address at the top of this message,
unless you wish to report a problem with the bug-tracking system.

Ian Jackson
(maintainer, debian-bugs)

Subject: Bug#1309: in not produced if compiler optimizes
Reply-To: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>, debian-bugs@pixar.com
Resent-From: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>
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Date: Mon, 04 Sep 1995 10:29:18 +0200
From: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>

I realized that the bug is not produced if I compile with
optimization :-) :


[jpp]kaj69:~/C/testing $ cat test.c
#include <math.h>

main() {
  double j, k = 1.0;

  j = sin(k);

  printf("worked\n");
}
[jpp]kaj69:~/C/testing $ gcc -g test.c -lm
[jpp]kaj69:~/C/testing $ ./a.out
Segmentation fault
[jpp]kaj69:~/C/testing $ gcc -g -O test.c -lm
[jpp]kaj69:~/C/testing $ ./a.out
worked
[jpp]kaj69:~/C/testing $


Cheers,

Joao Pedro PEDROSO		Universite Catholique de Louvain
				CORE - room b.140
jpp@core.ucl.ac.be		34 voie du Roman Pays
Tel: +32-10-474325		B-1348 Louvain-la-Neuve
Fax: +32-10-474301		BELGIUM
----------------------------------------------------------------

From: iwj10@thor.cam.ac.uk (Ian Jackson)
To: Joao Pedro PEDROSO <jpp@core.ucl.ac.be>
Subject: Bug#1309: Info received (was Bug#1309 in not produced if compiler optimizes)
In-Reply-To: <m0spWu7-0002qeC@kaj69.core.ucl.ac.be>
References: <m0spWu7-0002qeC@kaj69.core.ucl.ac.be>

Thank you for the additional information you have supplied regarding
this problem report.  It has been forwarded to the developers to
accompany the original report.

If you wish to continue to submit further information on your problem,
please do the same thing again: send it to debian-bugs@pixar.com, ensuring
that the Subject line starts with "Bug#1309" or "Re: Bug#1309" so that
we can identify it as relating to the same problem.

Please do not reply to the address at the top of this message,
unless you wish to report a problem with the bug-tracking system.

Ian Jackson
(maintainer, debian-bugs)