diff -r c49daa7f447f -r 68df1db6880e src/share/vm/adlc/formssel.cpp
--- a/src/share/vm/adlc/formssel.cpp	Tue Dec 20 16:06:10 2016 -0500
+++ b/src/share/vm/adlc/formssel.cpp	Tue Jan 03 11:22:37 2017 +0100
@@ -648,6 +648,7 @@
   if( strcmp(_matrule->_opType,"MemBarReleaseLock") == 0 ) return true;
   if( strcmp(_matrule->_opType,"MemBarAcquireLock") == 0 ) return true;
   if( strcmp(_matrule->_opType,"MemBarStoreStore") == 0 ) return true;
+  if( strcmp(_matrule->_opType,"MemBarVolatile") == 0 ) return true;
   if( strcmp(_matrule->_opType,"StoreFence") == 0 ) return true;
   if( strcmp(_matrule->_opType,"LoadFence") == 0 ) return true;