Reland "Optimize function across closures."

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 810a2fdd520d26e0d636e97ee470681210f293ac..f590381f9effe34037a3e6eec3661f03fc9c6236 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -6121,6 +6121,11 @@ class HObjectAccess FINAL {
                          SharedFunctionInfo::kOptimizedCodeMapOffset);
   }
 
+  static HObjectAccess ForCompileHint() {
+    return HObjectAccess(kInobject, SharedFunctionInfo::kCompilerHintsOffset,
+                         Representation::Smi());
+  }
+
   static HObjectAccess ForFunctionContextPointer() {
     return HObjectAccess(kInobject, JSFunction::kContextOffset);
   }