Failures on Fedora-ppc64be-native-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-ppc64be-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-ppc64be-native-gdbserver-m64/builds/5195>

Commit(s) tested:
	edb5fb00a6865884f99be01a9e97f44243a9deb9

Author(s) (in the same order as the commits):
	Simon Marchi <simon.marchi@polymtl.ca>

Subject:
	aix-thread: Use ptid from regcache instead of inferior_ptid

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64be-native-gdbserver-m64/ed/edb5fb00a6865884f99be01a9e97f44243a9deb9/>