Failures on Ubuntu-AArch64-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	ubuntu-aarch64-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Ubuntu-AArch64-m64/builds/2185>

Commit(s) tested:
	45159d6ad394fe7db840b2b92eaa69508b8a8fe7

Author(s) (in the same order as the commits):
	Sergio Durigan Junior <sergiodj@redhat.com>

Subject:
	PR gdb/21574: Mention $SHELL and startup-with-shell on "help run"

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Ubuntu-AArch64-m64/45/45159d6ad394fe7db840b2b92eaa69508b8a8fe7/>

*** Diff to previous build ***
============================
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=17: wait for stops
============================


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

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

	<http://git.sergiodj.net/?p=gdb-xfails.git;a=blob;f=xfails/Ubuntu-AArch64-m64/xfails/master/xfail;hb=abee8a4>

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

	<http://git.sergiodj.net/?p=gdb-xfails.git;a=blob;f=xfails/Ubuntu-AArch64-m64/xfails/master/xfail.table;hb=abee8a4>