[Patch, fortran] PR20541 - allocatable components (TR15541)

[Paul Thomas]

Tobias,

>
>>
>> Out of curiousity, why didn't you use alloca instead of doing all 
>> this  bookkeeping?  Maybe because you would have needed bookkeeping 
>> anyway  for the case where the allocatable component would have been 
>> >  -fmax-stack-var-size?  Or is there a simpler reason?
>
>
> Ignorance. 

I was going back through the correspondence, getting ready for tomorrow 
morning's commit, when I saw this.

I was speaking for myself here! Erik might well have known all about it 
and had cogent reasons for not using it.

Cheers

Paul