Failures on Debian-s390x-native-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	debian-jessie-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Debian-s390x-native-gdbserver-m64/builds/5092>

Commit(s) tested:
	07d28c777757148d13e429c4463da52cbb50d297

Author(s) (in the same order as the commits):
	Simon Marchi <simon.marchi@ericsson.com>

Subject:
	linux_spu_make_corefile_notes: return note_data instead of nullptr

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-gdbserver-m64/07/07d28c777757148d13e429c4463da52cbb50d297/>

*** Diff to previous build ***
============================
PASS -> FAIL: gdb.mi/mi-nonstop.exp: probe for target remote
new FAIL: gdb.mi/mi-nonstop.exp: wait for thread exit
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=13: wait for stops
============================


*** 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/Debian-s390x-native-gdbserver-m64/xfails/master/xfail?id=4d2b467>

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/Debian-s390x-native-gdbserver-m64/xfails/master/xfail.table?id=4d2b467>