Merge ramayana.hindu.god:/home/tsmith/m/bk/build/50

into  ramayana.hindu.god:/home/tsmith/m/bk/build/51

Also use the opportunity to fix a bad merge (remove
duplicate code in mysql-test-run.pl).

mysql-test/mysql-test-run.pl

@@ -3861,20 +3861,11 @@ sub mysqld_arguments ($$$$) {
   mtr_add_arg($args, "%s--connect-timeout=60", $prefix);
 
 
-  # When mysqld is run by a root user(euid is 0), it will fail
-  # to start unless we specify what user to run as. If not running
-  # as root it will be ignored, see BUG#30630
-  my $euid= $>;
-  if (!$glob_win32 and $euid == 0 and
-      grep(/^--user/, @$extra_opt, @opt_extra_mysqld_opt) == 0) {
-    mtr_add_arg($args, "%s--user=root");
-  }
-
   # When mysqld is run by a root user(euid is 0), it will fail
   # to start unless we specify what user to run as, see BUG#30630
   my $euid= $>;
   if (!$glob_win32 and $euid == 0 and
-      (grep(/^--user/, @$extra_opt, @opt_extra_mysqld_opt)) == 0) {
+      grep(/^--user/, @$extra_opt, @opt_extra_mysqld_opt) == 0) {
     mtr_add_arg($args, "%s--user=root", $prefix);
   }