Fix sharing of literal boilerplates for optimized code.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 692df446e262460e0f52f4dc899612f1d43451ad..9c3d0f81fc243126c447e6ba29d601266e70a537 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5227,6 +5227,10 @@ class SharedFunctionInfo: public HeapObject {
   // Returns -1 when no matching entry is found.
   int SearchOptimizedCodeMap(Context* global_context);
 
+  // Installs optimized code from the code map on the given closure. The
+  // index has to be consistent with a search result as defined above.
+  void InstallFromOptimizedCodeMap(JSFunction* function, int index);
+
   // Clear optimized code map.
   void ClearOptimizedCodeMap();