Cache optimized code for OSR.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 4dd24fd871552456a10bb77ab8f6a0e4b4b25138..0ed24ede0f77dfd1b7903eec2f755e05a0e72ba3 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -6018,6 +6018,10 @@ class HObjectAccess V8_FINAL {
     return HObjectAccess(kInobject, SharedFunctionInfo::kFirstContextSlot);
   }
 
+  static HObjectAccess ForFirstOsrAstIdSlot() {
+    return HObjectAccess(kInobject, SharedFunctionInfo::kFirstOsrAstIdSlot);
+  }
+
   static HObjectAccess ForOptimizedCodeMap() {
     return HObjectAccess(kInobject,
                          SharedFunctionInfo::kOptimizedCodeMapOffset);