Index: tests/concurrent/barrier/order.cfa
===================================================================
--- tests/concurrent/barrier/order.cfa	(revision 5f53cc3c4a48ce6fbe77b6c90baf8dbde76b6fd4)
+++ tests/concurrent/barrier/order.cfa	(revision 5b7fea7820cc457489a9d8803557ce8fda7404db)
@@ -33,7 +33,10 @@
 
 thread Tester {};
-void main( Tester & ) {
+void main( Tester & this ) {
 	// Repeat a few times
 	for(l; NUM_LAPS) {
+		// Yield for chaos
+		yield(prng(this, 10));
+
 		// Block and what order we arrived
 		unsigned ret = block(bar);