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[Bug fortran/55174] [4.6 Regression] Segmentation fault with bad array reference
- From: "harper at msor dot vuw.ac.nz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 05 Nov 2012 00:02:51 +0000
- Subject: [Bug fortran/55174] [4.6 Regression] Segmentation fault with bad array reference
- Auto-submitted: auto-generated
- References: <bug-55174-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55174
--- Comment #5 from harper at msor dot vuw.ac.nz 2012-11-05 00:02:51 UTC ---
On Sun, 4 Nov 2012, janus at gcc dot gnu.org wrote:
> Date: Sun, 4 Nov 2012 22:23:40 +0000
> From: janus at gcc dot gnu.org <gcc-bugzilla@gcc.gnu.org>
> To: john.harper@vuw.ac.nz
> Subject: [Bug fortran/55174] [4.6 Regression] Segmentation fault with bad
> array reference
> Resent-Date: Sun, 4 Nov 2012 22:24:00 +0000
> Resent-From: <john.harper@vuw.ac.nz>
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55174
>
> janus at gcc dot gnu.org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> Status|NEW |RESOLVED
> Resolution| |DUPLICATE
>
> --- Comment #4 from janus at gcc dot gnu.org 2012-11-04 22:23:40 UTC ---
> (In reply to comment #3)
>> I have just tried gfortran 4.7.1 (x86_64-unknown-linux-gnu) and it
>> gave the internal compiler error with my program. So it seems that
>> 4.7.0 and 4.7.1 both have the bug and 4.7.2 does not.
>
> Good. So it has been fixed between 4.7.1 and 4.7.2, apparently by this commit:
>
> http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191216
>
> This is the fix for PR 54225, and the good news is that it has also been
> backported to the 4.6 branch and therefore will be part of the future 4.6.4
> release.
>
> So I think we can just close this as a duplicate of PR 54225.
>
> Nevertheless, thanks for the bug report!
>
> *** This bug has been marked as a duplicate of bug 54225 ***
>
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You may well be right. I'll be convinced if your analysis also explains
why the bug was there in 4.8.0 of 20120701 but not in 4.8.0 of 20121002.
-- John Harper, School of Mathematics Statistics and Operations Research
Victoria University, PO Box 600, Wellington 6140, New Zealand
e-mail john.harper@vuw.ac.nz phone (+64)(4)463 5276 fax (+64)(4)463 5045