Failures on Fedora-i686, branch gdb-8.0-branch

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-x86-64-3

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-i686/builds/6157>

Commit(s) tested:
	69e9e8a0d5ae31e9869658771a7d399a53ac7833

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

Subject:
	Avoid exponential behavior in rust_evaluate_subexp

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-i686/69/69e9e8a0d5ae31e9869658771a7d399a53ac7833/>

*** Diff to previous build ***
============================
PASS -> FAIL: gdb.threads/multiple-step-overs.exp: displaced=on: signal thr2: setup: continue to breakpoint: run to breakpoint in thread 2
PASS -> FAIL: gdb.threads/multiple-step-overs.exp: displaced=on: signal thr2: setup: unbreak loop in thread 2
============================


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

FAILURE TO OBTAIN THE COMMIT FOR THE XFAIL LIST.  PLEASE CONTACT THE BUILDBOT ADMIN.