Failures on RHEL-s390x-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	rhel-7_1-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/RHEL-s390x-m64/builds/7242>

Commit(s) tested:
	75d74ccace05f6166a45dbaa352abf753891d3be

Author(s) (in the same order as the commits):
	Maciej W. Rozycki <macro@mips.com>

Subject:
	MIPS/Linux: Disable n32 USR `ptrace' accesses to 64-bit registers

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/RHEL-s390x-m64/75/75d74ccace05f6166a45dbaa352abf753891d3be/>

*** Diff to previous build ***
============================
PASS -> FAIL: gdb.threads/process-dies-while-detaching.exp: multi-process: continue: watchpoint: detach child
PASS -> FAIL: gdb.threads/process-dies-while-detaching.exp: multi-process: continue: watchpoint: switch to parent
PASS -> FAIL: gdb.threads/process-dies-while-detaching.exp: multi-process: continue: watchpoint: continue
============================


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

To obtain the list of XFAIL tests for this builder, go to:

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/RHEL-s390x-m64/xfails/master/xfail?id=6da72a5>

You can also see a pretty-printed version of the list, with more information
about each XFAIL, by going to:

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/RHEL-s390x-m64/xfails/master/xfail.table?id=6da72a5>