Pass PC offset into runtime when compiling for OSR.

src/optimizing-compiler-thread.h

Index: src/optimizing-compiler-thread.h
diff --git a/src/optimizing-compiler-thread.h b/src/optimizing-compiler-thread.h
index 01cd2a0f210a65d2ae0b1488ca89bb989a96d415..f45665b47fbc6122313b085ecf60623be184d11d 100644
--- a/src/optimizing-compiler-thread.h
+++ b/src/optimizing-compiler-thread.h
@@ -71,9 +71,7 @@ class OptimizingCompilerThread : public Thread {
                                             uint32_t osr_pc_offset);
   bool IsQueuedForOSR(Handle<JSFunction> function, uint32_t osr_pc_offset);
 
-  // Remove the oldest OSR candidates that are ready so that we
-  // only have |limit| left waiting.
-  void RemoveStaleOSRCandidates(int limit = kReadyForOSRLimit);
+  bool IsQueuedForOSR(JSFunction* function);
 
   inline bool IsQueueAvailable() {
     // We don't need a barrier since we have a data dependency right
@@ -96,6 +94,10 @@ class OptimizingCompilerThread : public Thread {
  private:
   enum StopFlag { CONTINUE, STOP, FLUSH };
 
+  // Remove the oldest OSR candidates that are ready so that we
+  // only have |limit| left waiting.
+  void RemoveStaleOSRCandidates(int limit = kReadyForOSRLimit);
+
   void FlushInputQueue(bool restore_function_code);
   void FlushOutputQueue(bool restore_function_code);
   void CompileNext();