--- a/hotspot/src/share/vm/c1/c1_Instruction.hpp	Wed Aug 31 16:46:11 2011 -0700
+++ b/hotspot/src/share/vm/c1/c1_Instruction.hpp	Thu Sep 01 01:31:25 2011 -0700
@@ -1601,6 +1601,7 @@
   void set_depth_first_number(int dfn)           { _depth_first_number = dfn; }
   void set_linear_scan_number(int lsn)           { _linear_scan_number = lsn; }
   void set_end(BlockEnd* end);
+  void clear_end();
   void disconnect_from_graph();
   static void disconnect_edge(BlockBegin* from, BlockBegin* to);
   BlockBegin* insert_block_between(BlockBegin* sux);