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/3052

Author:
        Tom Tromey <tromey@adacore.com>

Commit tested:
        7d874253bfe9846e8d78790bbc32a152a94aa366

Subject of commit:
        Fix duplicate tests in gdb.rust

Testsuite logs (gdb.sum, gdb.log and others):
        https://gdb-buildbot.osci.io/results/Solaris11-amd64-m64/7d/7d874253bfe9846e8d78790bbc32a152a94aa366/

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