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Re: [Patch, Fortran, OOP] PR 44962: [OOP] ICE with specification expression SIZE(<CLASS>)
- From: Steve Kargl <sgk at troutmask dot apl dot washington dot edu>
- To: Janus Weil <janus at gcc dot gnu dot org>
- Cc: gfortran <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Sun, 18 Jul 2010 10:28:08 -0700
- Subject: Re: [Patch, Fortran, OOP] PR 44962: [OOP] ICE with specification expression SIZE(<CLASS>)
- References: <AANLkTikqPGiqzXRyG6BtQGH4X_Bsc5yR6RQQdvDbjLxg@mail.gmail.com>
On Sun, Jul 18, 2010 at 06:36:39PM +0200, Janus Weil wrote:
>
> 3) In gfc_is_constant_expr, I'm adding a special case for the RAND()
> and IRAND() intrinsic functions, which were detected to be constant
> before. [I'm assuming that a "constant expression" is something that
> can be reduced to a constant at compile time, which the random
> functions are clearly not.]
I think that this part is the wrong way to address the issue.
In looking at intrinsics.c, I see that neither rand nor irand
have simplification procedures. I would presume that a default
simplification routine is called, but I haven't yet traced
through a toy code to be certain.
--
Steve