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Re: [Patch, Fortran] PR57991 - add alias warning for intent(out)/intent(out)

From: Thomas Koenig <tkoenig at netcologne dot de>
To: Tobias Burnus <burnus at net-b dot de>
Cc: gcc patches <gcc-patches at gcc dot gnu dot org>, gfortran <fortran at gcc dot gnu dot org>
Date: Sat, 27 Jul 2013 13:37:43 +0200
Subject: Re: [Patch, Fortran] PR57991 - add alias warning for intent(out)/intent(out)
References: <51F3B00A dot 8010205 at net-b dot de>

Hi Tobias,

Passing the same argument to nonpointer dummy arguments is only
permitted if one does not modify the values.

gfortran was warning for intent(in)/intent(out) and for OUT/IN but not
for OUT/OUT. This patch now also warns for the latter.

Build and regtested on x86-64-gnu-linux.
OK for the trunk?


OK (obvious really).

Thanks for the patch!

	Thomas

References:
- [Patch, Fortran] PR57991 - add alias warning for intent(out)/intent(out)
  - From: Tobias Burnus

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