[Patch, Fortran] PR fortran/45197: F2008: Allow IMPURE elemental procedures

[Daniel Kraft]

Hi again,

the attached patch incorporates Tobias' comments.

No regressions on GNU/Linux-x86-32.  Ok?

Daniel

Daniel Kraft wrote:
> Hi,
> 
> the small patch attached implements the F2008 attribute IMPURE that may
> be given to procedures; this may be used to get ELEMENTAL procedures
> that are not also PURE (as is the default).
> 
> Instead of checking (attr.pure || attr.elemental) in gfc_pure, only
> attr.pure is checked -- which seems also cleaner to me.  Instead,
> attr.pure is set if ELEMENTAL but not IMPURE was parsed.
> 
> No regressions on GNU/Linux-x86-32.  Ok for trunk?
> 
> Daniel
> 


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