Failures on Debian-s390x-native-extended-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-extended-gdbserver-m64/builds/5136>

Commit(s) tested:
	a6535de1903d9caad8c10c1d81c51a29612456a6

Author(s) (in the same order as the commits):
	Tom Tromey <tom@tromey.com>

Subject:
	Remove free_value_chain

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-extended-gdbserver-m64/a6/a6535de1903d9caad8c10c1d81c51a29612456a6/>