# 
# 
# patch "roster.cc"
#  from [c28f199c9e85fccf5714d2348389d9c4997ac2bc]
#    to [937c4c0c365de925e50123ad3edaa4cc833d6f49]
# 
============================================================
--- roster.cc	c28f199c9e85fccf5714d2348389d9c4997ac2bc
+++ roster.cc	937c4c0c365de925e50123ad3edaa4cc833d6f49
@@ -3361,12 +3361,12 @@
 }
 
 static void
-run_a_2_scalar_parent_scenario(scalar_val left_val,
-                               std::set<revision_id> const & left_mark_set,
-                               scalar_val right_val,
-                               std::set<revision_id> const & right_mark_set,
-                               scalar_val new_val,
-                               std::set<revision_id> const & new_mark_set)
+run_a_2_scalar_parent_scenario_exact(scalar_val left_val,
+                                     std::set<revision_id> const & left_mark_set,
+                                     scalar_val right_val,
+                                     std::set<revision_id> const & right_mark_set,
+                                     scalar_val new_val,
+                                     std::set<revision_id> const & new_mark_set)
 {
   testing_node_id_source nis;
   scalars ss = all_scalars(nis);
@@ -3380,6 +3380,24 @@
     }
 }
 
+static void
+run_a_2_scalar_parent_scenario(scalar_val left_val,
+                               std::set<revision_id> const & left_mark_set,
+                               scalar_val right_val,
+                               std::set<revision_id> const & right_mark_set,
+                               scalar_val new_val,
+                               std::set<revision_id> const & new_mark_set)
+{
+  // run both what we're given...
+  run_a_2_scalar_parent_scenario_exact(left_val, left_mark_set,
+                                       right_val, right_mark_set,
+                                       new_val, new_mark_set);
+  // ...and its symmetric reflection
+  run_a_2_scalar_parent_scenario_exact(right_val, right_mark_set,
+                                       left_val, left_mark_set,
+                                       new_val, new_mark_set);
+}
+
 ////////////////
 // These functions contain the actual list of *-merge cases that we would like
 // to test.