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/3628>

Commit(s) tested:
	e3b5daf9f735999259c5a8f68b422850c59897e5

Author(s) (in the same order as the commits):
	Markus Metzger <markus.t.metzger@intel.com>

Subject:
	infcmd, btrace: fix crash in 'finish' for tailcall-only frames

Testsuite log (gdb.sum and gdb.log) URL(s):
	<Error fetching commit ID for e3b5daf9f735999259c5a8f68b422850c59897e5>