Failures on Solaris11-amd64-m64, branch master

[gdb-buildbot@sergiodj.net]

Buildername:
        Solaris11-amd64-m64

Worker:
        solaris11-amd64

Full Build URL:
	https://gdb-buildbot.osci.io/#builders/14/builds/3047

Author:
        Pedro Alves <palves@redhat.com>

Commit tested:
        ad80db5b9f7c95105c78d3ab439678184d1b7177

Subject of commit:
        Default gdb_bfd_open's fd parameter to -1

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Solaris11-amd64-m64/ad/ad80db5b9f7c95105c78d3ab439678184d1b7177/

*** Diff to previous build ***
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No regressions found!
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