--- old/src/share/vm/opto/opaquenode.cpp	2015-01-16 19:37:30.000000000 +0300
+++ new/src/share/vm/opto/opaquenode.cpp	2015-01-16 19:37:30.000000000 +0300
@@ -60,4 +60,26 @@
   return (&n == this);          // Always fail except on self
 }
 
+//=============================================================================
 
+uint Opaque4Node::hash() const { return NO_HASH; }
+uint Opaque4Node::cmp( const Node &n ) const {
+  return (&n == this);
+}
+
+Node *Opaque4Node::Ideal(PhaseGVN *phase, bool can_reshape) {
+  if (can_reshape & _delay_removal) {
+    _delay_removal = false;
+    return this;
+  } else {
+    return NULL;
+  }
+}
+
+Node *Opaque4Node::Identity( PhaseTransform *phase ) {
+  if (_delay_removal) {
+    return this;
+  } else {
+    return in(1);
+  }
+}