-targets = set(config.root.targets_to_build.split())
-if not 'X86' in targets:
+# FIXME: For now, override suffixes to exclude any .s tests, because some of the
+# buildbots have a stray misched-copy.s output file lying around that causes
+# failures. See misched-copy.s where we try and clean up that file.
+#
+# It should be possible to remove this override once all the bots have cycled
+# cleanly.
+config.suffixes = ['.ll', '.test', '.txt']
+
+if not 'X86' in config.root.targets:
config.unsupported = True