Index: t/00prim.t
===================================================================
--- t/00prim.t.orig
+++ t/00prim.t
@@ -178,7 +178,8 @@ my %BSTR = (
     [pack("B*",'011011111101110111'), 7, pack("B*", '01101110')]
 );
 
-while(($result,$val) = each %BSTR) {
+foreach $result (sort(keys %BSTR)) {
+  $val = $BSTR{$result};
     print "# BIT STRING ", unpack("B*", ref($val) ? $val->[0] : $val),
 	" ",(ref($val) ? $val->[1] : $val),"\n";