[4.8] Backport PR61553

[Jakub Jelinek]

On Tue, Jan 20, 2015 at 12:49:07PM +0100, Marek Polacek wrote:
> I'd like to backport this patch from trunk to 4.9 so as to
> fix PR63751.  It's safe and has been on trunk for several months.
> 
> Bootstrapped/regtested on x86_64-linux, ok?

To 4.9 or 4.8 (subject says 4.8, above is 4.9).
I think it would be ok to both.
> 
> 2015-01-20  Marek Polacek  <polacek@redhat.com>
> 
> 	Backport from mainline
> 	2014-06-23  Marek Polacek  <polacek@redhat.com>
> 
> 	PR c/61553
> 	* c-common.c (get_atomic_generic_size): Don't segfault if the
> 	type doesn't have a size.
> 
> 	* c-c++-common/pr61553.c: New test.

	Jakub