--- old/src/share/vm/opto/matcher.cpp	2016-01-28 18:21:21.000000000 +0300
+++ new/src/share/vm/opto/matcher.cpp	2016-01-28 18:21:21.000000000 +0300
@@ -943,6 +943,7 @@
     case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type?
     case Op_StrInflatedCopy:
     case Op_StrCompressedCopy:
+    case Op_OnSpinWait:
     case Op_EncodeISOArray:
       nidx = Compile::AliasIdxTop;
       nat = NULL;