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/3053

Author:
        Tom Tromey <tromey@adacore.com>

Commit tested:
        f5272a3bb3928e8e45a122c19aa72a00a23a9d4d

Subject of commit:
        Remove read_memory_string

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Ubuntu-Aarch64-native-extended-gdbserver-m64/f5/f5272a3bb3928e8e45a122c19aa72a00a23a9d4d/

*** Diff to previous build ***
==============================================
PASS -> FAIL: gdb.arch/aarch64-brk-patterns.exp: insert breakpoint at brk instruction 1
==============================================

*** 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/f5/f5272a3bb3928e8e45a122c19aa72a00a23a9d4d//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/f5/f5272a3bb3928e8e45a122c19aa72a00a23a9d4d//xfail.table.gz>