[J3] [EXTERNAL] Re: Changing address of an allocatable on assignment when shapes match

[Van Snyder]

On Sat, 2019-08-24 at 09:10 +0900, Malcolm Cohen via J3 wrote:
> In general, it would not be conforming to do the reallocation if the
> allocatable array has the TARGET attribute, as this would break the
> Fortran pointer association semantics. 

If we don't want reallocation if the <variable> has the TARGET
attribute, we need to say so.

Otherwise, reallocation should be added to the reasons a pointer's
association status becomes undefined.