[PATCH] Fix PR19315.

[Joseph Myers]

On Tue, 14 Aug 2018, Iain Sandoe wrote:

> 2018-08-14  Iain Sandoe <iain@sandoe.co.uk>
> 
> gcc/c:
> 
> 	PR c/19315
> 	* c-decl.c (finish_decl): Don't add the 'extern' storage class to
> 	objects of unknown size.
> 
> gcc/testsuite:
> 
> 	PR c/19315
> 	gcc.dg/graphite/pr82451.c: Make array 'a' an extern.
> 	gcc.dg/redecl-10.c: Expect warnings for the static vars with unknown
> 	size.

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com