Developed in-house, not fed back.
Solaris-specific: MysqlTestRun customization.
=== modified file 'mysql-test/mysql-test-run.pl'
--- a/mysql-test/mysql-test-run.pl	Mon Mar 10 03:20:29 2014
+++ b/mysql-test/mysql-test-run.pl	Mon Mar 10 07:07:00 2014
@@ -2152,6 +2152,7 @@
 
   my $lib_plugin=
     mtr_file_exists(vs_config_dirs($location,$plugin_filename),
+                    "$basedir/lib/64/plugin/".$plugin_filename,
                     "$basedir/lib/plugin/".$plugin_filename,
                     "$basedir/lib64/plugin/".$plugin_filename,
                     "$basedir/$location/.libs/".$plugin_filename,