[Patch, Fortran] PR 45044 - Named common: Different size diagnostics

[Steve Kargl]

On Tue, Aug 30, 2011 at 11:31:38PM +0200, Tobias Burnus wrote:
> Named common blocks are required to have the same size in all files and 
> scopes. gfortran was warning before when the size was extended, but not 
> when a smaller common block followed a larger common block with the same 
> name.
> 
> This patch adds now a non-equal check and also mentions the byte size. I 
> was thinking of adding another ref to point to the first common block, 
> but my approach did not work (cf. PR comment 4) - besides, I find error 
> messages with two loci harder to read.
> 
> Build and regtested on x86-64-linux.
> OK for the trunk?
> 

Looks ok to me.  

-- 
Steve