[MPI3 Fortran] (j3.2006) Effect of volatile

[Michael Ingrassia]

Since Fortran hasn't had END BLOCK statements until now I guess there's
no way to survey whether all vendors flush registers and set up barriers
to code motion at an END BLOCK.

>While this might work as a 
>practical matter, I don't think the language semantics requires that.  

Could the semantics require that, in principle ?    


	--Michael I.