Failures on Fedora-s390x-m64, branch gdb-8.0-branch

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	marist-fedora-s390x

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-s390x-m64/builds/5283>

Commit(s) tested:
	1332b4fa37e2b688533ef3eb86a7b1aaced90465

Author(s) (in the same order as the commits):
	Pedro Alves <palves@redhat.com>

Subject:
	Fix gdb.python/py-record-btrace-threads.exp with Python 3

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-s390x-m64/13/1332b4fa37e2b688533ef3eb86a7b1aaced90465/>

*** Diff to previous build ***
============================
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=2: wait for stops
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=3: wait for stops
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=4: wait for stops
PASS -> FAIL: gdb.threads/signal-while-stepping-over-bp-other-thread.exp: step
============================


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

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