[Bug fortran/40413] Internal error in connection with optimization and allocatable objects

["reuter at mail dot desy dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from reuter at mail dot desy dot de  2009-06-11 19:31 -------
Subject: Re:  Internal error in connection with optimization
 and allocatable objects

On Thu, 11 Jun 2009, dominiq at lps dot ens dot fr wrote:


Thanks for the explanations. I actually cannot change the priority,
only the assignee or a specifically empowered user can change the status.

>
>
> ------- Comment #3 from dominiq at lps dot ens dot fr  2009-06-11 15:23 -------
>> I'm not so much of an export in the terminology. What exactly does
>> regression mean?
>
> It means that a code worked at revision n (here 4.4.0) and no longer at
> revision n+1 (here 4.5.0). This means that either something has been broken by
> some change or a bug has been exposed by it. Since changes are supposed to
> improve any piece of code, regressions have in general a higher priority than
> other bugs, so it is important to mark them in the subject line (look at
> http://gcc.gnu.org/ml/gcc-bugs/2009-06/ for examples). Since I don't have the
> rights to change the subject line, you have to do it yourself or wait for some
> maintainer to do it.
>
>> The option -m64 does work. What exactly does it do?
>
> It forces the compilation in "64 bit mode" while the default in Darwin is 32
> bit. I don't know the detail of the differences besides the fact that the
> addresses are coded on 64 bits instead of 32 and in general the code runs
> faster (~10 to 20%) with -m64.
>
> Note that I provided the information in the hope to help those who will fix the
> bug, meanwhile you can use -m64 as a workaround.
>
>
> -- 
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40413
>
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>

------------------------------------
Juergen Reuter
Albrecht-Ludwigs-Universitaet Freiburg
Physikalisches Institut
Hermann-Herder-Str. 3
79104 Freiburg, GERMANY
Tel.: +49-761-203-8407
Skype: jr_reuter
------------------------------------


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40413