--- old/src/share/vm/compiler/compileTask.hpp	2016-04-13 14:48:45.354218445 +0200
+++ new/src/share/vm/compiler/compileTask.hpp	2016-04-13 14:48:45.222218440 +0200
@@ -69,7 +69,7 @@
   Method*      _hot_method;   // which method actually triggered this task
   jobject      _hot_method_holder;
   int          _hot_count;    // information about its invocation counter
-  const char*  _comment;      // more info about the task
+  int          _compile_reason;      // more info about the task
   const char*  _failure_reason;
 
  public:
@@ -78,7 +78,7 @@
   }
 
   void initialize(int compile_id, const methodHandle& method, int osr_bci, int comp_level,
-                  const methodHandle& hot_method, int hot_count, const char* comment,
+                  const methodHandle& hot_method, int hot_count, int compile_reason,
                   bool is_blocking);
 
   static CompileTask* allocate();
@@ -89,6 +89,7 @@
   Method*      hot_method() const                { return _hot_method; }
   int          osr_bci() const                   { return _osr_bci; }
   bool         is_complete() const               { return _is_complete; }
+  bool         can_become_stale() const;
   bool         is_blocking() const               { return _is_blocking; }
   bool         is_success() const                { return _is_success; }
 #if INCLUDE_JVMCI