--- old/src/share/vm/opto/ifnode.cpp	2016-02-22 15:17:21.809647647 +0100
+++ new/src/share/vm/opto/ifnode.cpp	2016-02-22 15:17:21.689647653 +0100
@@ -1344,8 +1344,6 @@
   Node* new_bol = (flip ? phase->transform( bol2->negate(phase) ) : bol2);
   assert(new_bol != iff->in(1), "must make progress");
   iff->set_req(1, new_bol);
-  // Intervening diamond probably goes dead
-  phase->C->set_major_progress();
   return iff;
 }