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/491>

Commit(s) tested:
	a04a15f586590f1969ab31478f0b04243f760769

Author(s) (in the same order as the commits):
	Doug Evans <xdje42@gmail.com>

Subject:
	symtab.h (struct general_symbol_info> <ada_mangled>: Update comment.

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/cgit/RHEL-s390x-m64/.git/tree/?h=master&id=974a4021648a832a6bc85824e5ae1a2860b63490>

*** Regressions found ***
============================
new FAIL: gdb.threads/signal-while-stepping-over-bp-other-thread.exp: step (pattern 3)
============================


*** Regressions against the baseline ***
============================
PASS -> FAIL: gdb.base/siginfo-obj.exp: Extract si_errno
PASS -> FAIL: gdb.python/python.exp: set the hook to default <<2>>
PASS -> FAIL: gdb.threads/watchthreads.exp: threaded watch loop
PASS -> FAIL: gdb.threads/watchthreads.exp: combination of threaded watchpoints = 30
============================