[Patch, LD]Fix GDB crash caused by discarding the grouped debug sections

[Alan Modra]

On Mon, Dec 08, 2014 at 02:49:44PM +0800, Terry Guo wrote:
> Thanks for comments. Then is it a proper solution if I update the patch to
> keep other sections in same group?

Yes, I think it would be OK to keep a group containing just debug
sections or the other special sections we currently mark.

-- 
Alan Modra
Australia Development Lab, IBM