[patch, libfortran] PR33672 Additional runtime checks needed for namelist reads

[FX Coudert]

> This patch has been in the oven for a while.  Based on my own  
> testing and Dominique's testing.  I would like to commit this today  
> unless there are objections.
>
> The patch is well confined and straight forward, and basically simple.

I'm sorry to be in no position to review (neither now nor in the  
close future), but given the arguments above I think it's reasonnably  
safe to commit. Plus, you're the namelist expert!

FX