Failures on RHEL-s390x-m64, branch master

[sergiodj+buildbot@redhat.com]

Buildslave:
	rhel-7.1-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/RHEL-s390x-m64/builds/389>

Commit(s) tested:
	a0d34a3956f504e755638cadb2bac2b03e4e37e7

Author(s) (in the same order as the commits):
	Andrew Burgess <andrew.burgess@embecosm.com>

Subject:
	gdb: Simplify parse_frame_specification.

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/cgit/RHEL-s390x-m64/.git/tree/?h=master&id=7c5d7478f9b2d3a91f06e10fd426ad926b9cf775>

*** Regressions found ***
============================
PASS -> FAIL: gdb.threads/schedlock.exp: schedlock=off: cmd=next: call_function=0: other threads ran - unlocked
new FAIL: gdb.threads/signal-while-stepping-over-bp-other-thread.exp: step (pattern 3)
============================


*** Regressions against the baseline ***
============================
PASS -> FAIL: gdb.base/siginfo-thread.exp: Extract si_errno
PASS -> FAIL: gdb.threads/schedlock.exp: schedlock=off: cmd=next: call_function=0: other threads ran - unlocked
PASS -> FAIL: gdb.threads/watchthreads.exp: threaded watch loop
PASS -> FAIL: gdb.threads/watchthreads.exp: combination of threaded watchpoints = 30
============================