Improve interpreter to interpreter invokes.

The interpreter constructs a shadow frame instead of arg array to make
interpreter to interpreter transitions faster. This adds a pointer to
an entry for the interpreter to each method.

Change-Id: If48911d3aa3470847b8548a9e92090b829f4f254
diff --git a/src/mirror/abstract_method.cc b/src/mirror/abstract_method.cc
index 559b558..c351ce8 100644
--- a/src/mirror/abstract_method.cc
+++ b/src/mirror/abstract_method.cc
@@ -344,7 +344,7 @@
 #else
     UNIMPLEMENTED(FATAL);
 #endif
-    SetFieldPtr<const uint8_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, native_gc_map_),
+    SetFieldPtr<const uint8_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, gc_map_),
         reinterpret_cast<const uint8_t*>(native_method), false);
   }
 }