Failures on Fedora-x86_64-m64, branch master

[gdb-buildbot@gdb-buildbot.osci.io]

Buildername:
        Fedora-x86_64-m64

Worker:
        fedora-x86-64-3

Full Build URL:
	https://gdb-buildbot.osci.io/#builders/3/builds/3551

Author:
        Pedro Alves <palves@redhat.com>

Commit tested:
        8df017996f662ce6ab23aea4abeb8f7ac1f62651

Subject of commit:
        gcore, handle exited threads better

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Fedora-x86_64-m64/8d/8df017996f662ce6ab23aea4abeb8f7ac1f62651/

*** Diff to previous build ***
==============================================
PASS -> FAIL: gdb.multi/multi-arch-exec.exp: first_arch=1: selected_thread=1: follow_exec_mode=same: continue across exec that changes architecture
PASS -> KFAIL: gdb.threads/non-ldr-exit.exp: program exits normally
PASS -> KFAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 2nd stop: print i
PASS -> KFAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 2nd stop: print j
PASS -> KFAIL: gdb.threads/omp-par-scope.exp: nested_parallel: outer_threads: outer stop: print i
PASS -> KFAIL: gdb.threads/omp-par-scope.exp: nested_parallel: outer_threads: outer stop: print j
==============================================

*** 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/Fedora-x86_64-m64/8d/8df017996f662ce6ab23aea4abeb8f7ac1f62651//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/Fedora-x86_64-m64/8d/8df017996f662ce6ab23aea4abeb8f7ac1f62651//xfail.table.gz>