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Re: [Patch, Fortran] PR 30239: Warn on duplicate function result type declaration

From: Daniel Kraft <d at domob dot eu>
To: Fortran List <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 22 Aug 2008 19:18:00 +0200
Subject: Re: [Patch, Fortran] PR 30239: Warn on duplicate function result type declaration
References: <48AEF422.60105@domob.eu>

Daniel Kraft wrote:

Hi,

attached is my proposed solution for PR 30239. For code as this:

I forgot, regression-tested on GNU/Linux-x86-32.

INTEGER FUNCTION foo ()
  INTEGER :: foo
  foo = 42
END FUNCTION foo
One currently gets an error with -pedantic and/or -std=f95, but with -std=gnu gfortran accepts it silently (this is what the PR is about).

With my patch, -Wsurprising warns about a situation like this if no error is issued because of -pedantic or standards-conforming mode, this is what I'd see as the best solution.

What do you think about this? Is this behaviour and the patch ok?
Cheers,
Daniel

References:
- [Patch, Fortran] PR 30239: Warn on duplicate function result type declaration
  - From: Daniel Kraft

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