[Bug middle-end/40015] [4.5.0 Regression] Revision 147083 failed gfortran.dg/array_memcpy_4.f90

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #5 from rguenther at suse dot de  2009-05-04 09:01 -------
Subject: Re:  [4.5.0 Regression]  Revision 147083 failed
 gfortran.dg/array_memcpy_4.f90

On Mon, 4 May 2009, dominiq at lps dot ens dot fr wrote:

> ------- Comment #4 from dominiq at lps dot ens dot fr  2009-05-04 08:59 -------
> This test has been introduced by the patch in
> http://gcc.gnu.org/ml/fortran/2007-01/msg00425.html.
> The tests gfortran.dg/array_memcpy_[1-3].f90 use
> 
> ! { dg-final { scan-tree-dump-times "memcpy" * "original" } }
> 
> So a simple fix would be to replace
> 
> ! { dg-final { scan-tree-dump-times "d = " 1 "original" } }
> 
> with
> 
> ! { dg-final { scan-tree-dump-times "memcpy" 1 "original" } }
> 
> but I don't understand why array_memcpy_4.f90 used to give a different
> construct and this change could mask a more serious problem.

I will investigate - we really should get the memcpy removed.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40015