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/578>

Commit(s) tested:
	394816ee10a85e3e0fa7c9b0a4ca29e7e160e63c

Author(s) (in the same order as the commits):
	Marcin Kościelnicki <koriakin@0x04.net>

Subject:
	gdb/record-full: Use xmalloc instead of alloca for temporary memory storage.

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/cgit/RHEL-s390x-m64/.git/tree/?h=master&id=32de1118f0b6b722744501fdcc032ca034de6d32>

*** Regressions found ***
============================
PASS -> FAIL: gdb.base/siginfo-thread.exp: Extract si_errno
new FAIL: gdb.python/python.exp: set the hook
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
============================


*** Regressions against the baseline ***
============================
PASS -> FAIL: gdb.base/siginfo-obj.exp: Extract si_errno
PASS -> FAIL: gdb.base/siginfo-thread.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
============================