Failures on RHEL-s390x-m64, branch gdb-8.1-branch

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	rhel-7_1-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/RHEL-s390x-m64/builds/7370>

Commit(s) tested:
	8679931c2c9f97ad182f8f0a9e8fab20305719b5

Author(s) (in the same order as the commits):
	Omair Javaid <omair.javaid@linaro.org>

Subject:
	Unset gdbarch significant_addr_bit by default

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/RHEL-s390x-m64/86/8679931c2c9f97ad182f8f0a9e8fab20305719b5/>

*** Diff to previous build ***
============================
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=0: wait for stops
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=1: wait for stops
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/process-dies-while-detaching.exp: single-process: continue: killed outside: continue to breakpoint: _exit
PASS -> FAIL: gdb.threads/process-dies-while-detaching.exp: single-process: continue: killed outside: get integer valueof "mypid"
PASS -> KFAIL: gdb.threads/process-dies-while-handling-bp.exp: non_stop=off: cond_bp_target=1: inferior 1 exited
============================


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

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