[Bug debug/48459] [4.6/4.7 Regression] avr: Assertion failure with -gdwarf-2

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48459

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-09 14:17:45 UTC ---
Created attachment 24475
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24475
patch

Here's an untested patch.  Does this fix the problem for you?  Naturally you'll
want to revert it once dwarf2 unwind info is supported.