[runtime] Introduce FastNewStrictArgumentsStub to optimize strict arguments.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 3ec3a86d27d7434ee24a5c56763adec67c12db31..722bbf020ee5ab12b348be5d5493a96e041b09af 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -268,20 +268,16 @@ FieldAccess AccessBuilder::ForValue() {
 
 // static
 FieldAccess AccessBuilder::ForArgumentsLength() {
-  int offset =
-      JSObject::kHeaderSize + Heap::kArgumentsLengthIndex * kPointerSize;
-  FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),
-                        MachineType::AnyTagged()};
+  FieldAccess access = {kTaggedBase, JSArgumentsObject::kLengthOffset,
+                        Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
   return access;
 }
 
 
 // static
 FieldAccess AccessBuilder::ForArgumentsCallee() {
-  int offset =
-      JSObject::kHeaderSize + Heap::kArgumentsCalleeIndex * kPointerSize;
-  FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),
-                        MachineType::AnyTagged()};
+  FieldAccess access = {kTaggedBase, JSSloppyArgumentsObject::kCalleeOffset,
+                        Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
   return access;
 }