PowerPC64 skip_prologue patch

[David Edelsohn]

>>>>> Andrew Cagney writes:

Andrew> The last time IBM contributed stuff to GDB was the s390.  For that, 
Andrew> individual electronic transfer letters were required.

Andrew> Sounds like things have changed since then?

	The s390 and ppc64 toolchain contributions were approved by IBM a
long time ago.  It would help if you directly, privately contacted IBM
colleagues to inquire about the facts instead of sending obtuse comments
about "streams of patches" and making uninformed decisions.

David