[turbofan] Lower unmapped arguments objects in inline frame.

src/compiler/access-builder.h

Index: src/compiler/access-builder.h
diff --git a/src/compiler/access-builder.h b/src/compiler/access-builder.h
index 7c51b0cb5e33605dde2faf9706e69f7699331fd0..96df55f5aafcaa2e418877d57dabced745c82e2d 100644
--- a/src/compiler/access-builder.h
+++ b/src/compiler/access-builder.h
@@ -61,10 +61,20 @@ class AccessBuilder final : public AllStatic {
   // Provides access to String::length() field.
   static FieldAccess ForStringLength(Zone* zone);
 
+  // Provides access to GlobalObject::native_context() field.
+  static FieldAccess ForGlobalObjectNativeContext();
+
   // Provides access to JSValue::value() field.
   static FieldAccess ForValue();
 
-  // Provides access Context slots.
+  // Provides access to arguments objects fields.
+  static FieldAccess ForArgumentsLength();
+  static FieldAccess ForArgumentsCallee();

[Jarin, 2015/10/23 14:09:22]

I could not find the implementation ForArgumentsCallee(). Perhaps remove it we
if are not using it yet?

[Michael Starzinger, 2015/10/23 15:09:39]

Done. Will be used for the "mapped arguments object", but removed it for now.

+
+  // Provides access to FixedArray slots.
+  static FieldAccess ForFixedArraySlot(size_t index);
+
+  // Provides access to Context slots.
   static FieldAccess ForContextSlot(size_t index);
 
   // Provides access to PropertyCell::value() field.