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Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.

From: Mikael Morin <mikael dot morin at tele2 dot fr>
To: Tobias Burnus <burnus at net-b dot de>
Cc: correctifs gcc <gcc-patches at gcc dot gnu dot org>, gfortran <fortran at gcc dot gnu dot org>
Date: Mon, 24 Nov 2008 21:10:24 +0100
Subject: Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
References: <492483F3.9030809@tele2.fr> <4929D95D.90101@net-b.de> <4929EDB1.3080105@tele2.fr>

Mikael Morin wrote:
> Tobias Burnus wrote:
>> Mikael Morin wrote:
>>> this is only a missed optimization, but it is obvious on the other hand,
>>> and it should have a limited impact (empty arrays only).
>>>
>>> regression-tested on x86_64-unknown-linux-gnu, ok for 4.4? 4.3 as well?
>>>   
>> OK for 4.4, I think there is no need for 4.3. (As James has shown this
>> is also a rejects-valid PR.)
> Right, maybe I should use his testcase then?
> I will commit tomorrow.
committed as revision 142168.
I changed the testcase(attached) to use parameter variables (which was
rejected) as in James' program.

Mikael

Attachment: reshape_empty_1.f03
Description: Text document

References:
- [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
  - From: Mikael Morin
- Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
  - From: Tobias Burnus
- Re: [Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
  - From: Mikael Morin

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