Speed up ArrayBuffer/typed array/DataView properties.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 8cb2f591742aebec491d57d4ab9305b51cc1eeb4..83ce568aa599b20dda14cf1a338b1d13655e2feb 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -5688,13 +5688,6 @@ class HObjectAccess V8_FINAL {
                 ? Representation::Smi() : Representation::Tagged());
   }
 
-  static HObjectAccess ForTypedArrayLength() {
-    return HObjectAccess(
-        kInobject,
-        JSTypedArray::kLengthOffset,
-        Representation::Tagged());
-  }
-
   static HObjectAccess ForAllocationSiteTransitionInfo() {
     return HObjectAccess(kInobject, AllocationSite::kTransitionInfoOffset);
   }