[Patch, fortran] PR64933 - ASSOCIATE on a character variable does not allow substring expressions

[Steve Kargl]

On Fri, Nov 04, 2016 at 12:43:37PM +0100, Paul Richard Thomas wrote:
> 
> The associate construct does not readily permit the identification of
> the associate name as an array during parsing. However, this can be
> done whilst matching rvalues within the associate block. This patch
> extends this identification in gfc_match_varspec, whilst excluding
> character types from the present test. This latter change prevents
> scalar substrings from being pegged as array references, which was the
> origin of this bug.
> 
> Bootstraps and regtests on FC21/x86_64.
> 
> OK for trunk?
> 

Looks good to me.

-- 
Steve