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* [Bug fortran/37802] Improve wording for matmul bound checking
       [not found] <bug-37802-4@http.gcc.gnu.org/bugzilla/>
@ 2023-09-15 19:06 ` anlauf at gcc dot gnu.org
  0 siblings, 0 replies; 3+ messages in thread
From: anlauf at gcc dot gnu.org @ 2023-09-15 19:06 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37802
Bug 37802 depends on bug 30802, which changed state.

Bug 30802 Summary: out of bounds error array I/O not picked up with -fbounds-check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30802

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug fortran/37802] Improve wording for matmul bound checking
  2008-10-11  7:56 [Bug fortran/37802] New: [4.4 Regression] array descriptors for matmul messed up? tkoenig at gcc dot gnu dot org
  2008-10-11 11:12 ` [Bug fortran/37802] Improve wording for matmul bound checking burnus at gcc dot gnu dot org
@ 2009-03-29  8:37 ` fxcoudert at gcc dot gnu dot org
  1 sibling, 0 replies; 3+ messages in thread
From: fxcoudert at gcc dot gnu dot org @ 2009-03-29  8:37 UTC (permalink / raw)
  To: gcc-bugs



-- 

fxcoudert at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-03-29 08:37:18
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37802


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug fortran/37802] Improve wording for matmul bound checking
  2008-10-11  7:56 [Bug fortran/37802] New: [4.4 Regression] array descriptors for matmul messed up? tkoenig at gcc dot gnu dot org
@ 2008-10-11 11:12 ` burnus at gcc dot gnu dot org
  2009-03-29  8:37 ` fxcoudert at gcc dot gnu dot org
  1 sibling, 0 replies; 3+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-10-11 11:12 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #3 from burnus at gcc dot gnu dot org  2008-10-11 11:11 -------
(In reply to comment #2)
> In the original post I wrote:
> > Between revisions 140923 and 140951 the following (invalid) code:

I had not read the mailing list when I reading this PR. (See:
http://gcc.gnu.org/ml/fortran/2008-10/msg00066.html ) And Thomas' bug report
gave a completely different impression.

> > Since the code is invalid (d = matmul...), gfortran is indeed allowed to do
> > whatever is happening, but I'ld like to understand the new behavior
> > and be sure that it cannot happen for valid codes.

I think it only gets triggered due to the overwritten memory.

> Note 1: I think the error message with -fbounds-check is misleading:
> Note3: I think the same misleading error message happens for mat-2.f90 in

OK. I changed the bug summary and reopened the bug.


-- 

burnus at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
           Keywords|                            |diagnostic
         Resolution|INVALID                     |
            Summary|[4.4 Regression] array      |Improve wording for matmul
                   |descriptors for matmul      |bound checking
                   |messed up?                  |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37802


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-09-15 19:06 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <bug-37802-4@http.gcc.gnu.org/bugzilla/>
2023-09-15 19:06 ` [Bug fortran/37802] Improve wording for matmul bound checking anlauf at gcc dot gnu.org
2008-10-11  7:56 [Bug fortran/37802] New: [4.4 Regression] array descriptors for matmul messed up? tkoenig at gcc dot gnu dot org
2008-10-11 11:12 ` [Bug fortran/37802] Improve wording for matmul bound checking burnus at gcc dot gnu dot org
2009-03-29  8:37 ` fxcoudert at gcc dot gnu dot org

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