Failures on Fedora-x86_64-m32, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-x86-64-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-x86_64-m32/builds/9423>

Commit(s) tested:
	5a6312e8c015d4a98020038f3b6e144db230f3ca

Author(s) (in the same order as the commits):
	Alan Modra <amodra@gmail.com>

Subject:
	Silence gcc-8 warnings

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-x86_64-m32/5a/5a6312e8c015d4a98020038f3b6e144db230f3ca/>

*** Diff to previous build ***
============================
new FAIL: gdb.base/corefile.exp: core-file warning-free
============================


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

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

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/Fedora-x86_64-m32/xfails/master/xfail?id=c167f96>

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

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/Fedora-x86_64-m32/xfails/master/xfail.table?id=c167f96>