Patch ping

[Jakub Jelinek]

Hi!

http://gcc.gnu.org/ml/gcc-patches/2011-04/msg01117.html
  - fix unwind info in presence of inline asm, 4.6/4.7

http://gcc.gnu.org/ml/gcc-patches/2011-04/msg01264.html
  - typed DWARF stack

        Jakub