Failures on Fedora-s390x-m64, branch master

[sergiodj+buildbot@redhat.com]

Buildslave:
	marist-fedora-s390x

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-s390x-m64/builds/1915>

Commit(s) tested:
	60f2e42e00083accdcdbdda399534082bf309d1e

Author(s) (in the same order as the commits):
	H.J. Lu <hjl.tools@gmail.com>

Subject:
	Fix performance regression on x86 with ld -r

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/cgit/Fedora-s390x-m64/.git/tree/?h=master&id=2f4f7dbb6890f20e31903bf3ad7b833836071fd5>

*** Regressions found ***
============================
new FAIL: gdb.threads/watchpoint-fork.exp: child: singlethreaded: breakpoint after the second fork (timeout)
============================


*** Regressions against the baseline ***
============================
new FAIL: gdb.opt/solib-intra-step.exp: second-hit
PASS -> FAIL: gdb.server/non-existing-program.exp: gdbserver exits cleanly
new FAIL: gdb.threads/watchpoint-fork.exp: child: singlethreaded: breakpoint after the second fork (timeout)
PASS -> FAIL: gdb.trace/mi-traceframe-changed.exp: tfile: tfind 0 again
PASS -> FAIL: gdb.trace/mi-traceframe-changed.exp: tfile: -trace-find frame-number 0
============================


*** Failures that are being ignored ***
============================
FAIL: gdb.base/async-shell.exp: process stopped (timeout)
============================