Failures on Ubuntu-AArch64-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	ubuntu-aarch64-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Ubuntu-AArch64-m64/builds/1233>

Commit(s) tested:
	59e9e83119a528f17afea89ee22195a95322c6d6

Author(s) (in the same order as the commits):
	Tom Tromey <tom@tromey.com>

Subject:
	Use gdbpy_ref in archpy_disassemble

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Ubuntu-AArch64-m64/59/59e9e83119a528f17afea89ee22195a95322c6d6/>

*** Diff to previous build ***
============================
PASS -> FAIL: gdb.base/step-over-syscall.exp: clone: displaced=off: single step over clone
PASS -> FAIL: gdb.threads/thread-specific-bp.exp: non-stop: thread-specific breakpoint was deleted
============================


*** Complete list of XFAILs for this builder ***

FAILURE TO OBTAIN THE COMMIT FOR THE XFAIL LIST.  PLEASE CONTACT THE BUILDBOT ADMIN.