--- a/hotspot/src/share/vm/runtime/mutexLocker.hpp	Thu Nov 13 12:29:09 2014 +0100
+++ b/hotspot/src/share/vm/runtime/mutexLocker.hpp	Thu Nov 13 11:35:15 2014 -0500
@@ -90,6 +90,7 @@
 extern Mutex*   Compile_lock;                    // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
 extern Monitor* MethodCompileQueue_lock;         // a lock held when method compilations are enqueued, dequeued
 extern Monitor* CompileThread_lock;              // a lock held by compile threads during compilation system initialization
+extern Monitor* Compilation_lock;                // a lock used to pause compilation
 extern Mutex*   CompileTaskAlloc_lock;           // a lock held when CompileTasks are allocated
 extern Mutex*   CompileStatistics_lock;          // a lock held when updating compilation statistics
 extern Mutex*   MultiArray_lock;                 // a lock used to guard allocation of multi-dim arrays