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/6766>

Commit(s) tested:
	707bad1b21c18cf8e570fb8df8f7c5961fb0f3a5

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

Subject:
	PR binutils/22875: Visium/ELF: Prevent an out-of-bounds howto table access

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/RHEL-s390x-m64/70/707bad1b21c18cf8e570fb8df8f7c5961fb0f3a5/>