[Patch, Fortran] Simplify lbound

[Mikael Morin]

Le 12/05/2015 08:43, Thomas Koenig a écrit :
> Hi Mikael,
> 
> 
>> To be honest, both patches look fragile to me. Yours because it leaves
>> gfc_current_ns to its value, leaving the door open to other problems.
>> Mine, well, because it's playing with a global variable, with the
>> possible side-effects this could have.
>> However, without a better idea, I'm OK with either patch (or both).
> 
> I have found that playing around with gfc_current_ns can be quite
> dangerous and can cause regressions in unexpected places.  Specifically,
> I tried wrapping the callers to create_var and insert_block in
> save/restore wrappers for gfc_current_ns, and that caused quite
> a few very strange regressions.
> 
> So, working on the theory that a fix that may leave unknown problems
> open is better than a fix that may introduce unknown problems, and
> in order to get the regression out of the way, I have committed the
> patch preventing multiple resolution of an array spec.
> 
thanks.