Failures on Fedora-s390x-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	marist-fedora-s390x

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-s390x-m64/builds/7516>

Commit(s) tested:
	416675305692976aca45860e24b963982a2e682a

Author(s) (in the same order as the commits):
	Mike Gulick <mike.gulick@mathworks.com>

Subject:
	Fix gdb segv when objfile can't be opened

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-s390x-m64/41/416675305692976aca45860e24b963982a2e682a/>

*** Diff to previous build ***
============================
PASS -> KFAIL: gdb.threads/non-ldr-exit.exp: program exits normally
============================


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

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

	<http://git.sergiodj.net/?p=gdb-xfails.git;a=blob;f=xfails/Fedora-s390x-m64/xfails/master/xfail;hb=eaf2514>

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

	<http://git.sergiodj.net/?p=gdb-xfails.git;a=blob;f=xfails/Fedora-s390x-m64/xfails/master/xfail.table;hb=eaf2514>