Failures on Ubuntu-Aarch64-native-extended-gdbserver-m64, branch master

[gdb-buildbot@sergiodj.net]

Buildername:
        Ubuntu-Aarch64-native-extended-gdbserver-m64

Worker:
        ubuntu-aarch64

Full Build URL:
	https://gdb-buildbot.osci.io/#builders/5/builds/2821

Author:
        Alan Modra <amodra@gmail.com>

Commit tested:
        c892b44730bb1a66d614fd47fabe47555ca83b3b

Subject of commit:
        Fix potential segfault

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Ubuntu-Aarch64-native-extended-gdbserver-m64/c8/c892b44730bb1a66d614fd47fabe47555ca83b3b/

*** Diff to previous build ***
==============================================
PASS -> FAIL: gdb.base/step-over-syscall.exp: detach-on-fork=on: follow-fork=parent: break cond on target : fork: pc after stepi matches insn addr after syscall
PASS -> FAIL: gdb.base/step-over-syscall.exp: fork: displaced=on: pc after stepi matches insn addr after syscall
PASS -> KFAIL: gdb.threads/process-dies-while-handling-bp.exp: non_stop=off: cond_bp_target=1: inferior 1 exited
==============================================

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

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

        <https://gdb-buildbot.osci.io/results/Ubuntu-Aarch64-native-extended-gdbserver-m64/c8/c892b44730bb1a66d614fd47fabe47555ca83b3b//xfail.gz>

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

        <https://gdb-buildbot.osci.io/results/Ubuntu-Aarch64-native-extended-gdbserver-m64/c8/c892b44730bb1a66d614fd47fabe47555ca83b3b//xfail.table.gz>