Unify the stack layout for construct frames

src/arm64/frames-arm64.h

Index: src/arm64/frames-arm64.h
diff --git a/src/arm64/frames-arm64.h b/src/arm64/frames-arm64.h
index 883079c9be6998a1f8cb076cef137b54bab84ca3..544383de6bc582bbe2a8898d2bbebbf6031561d4 100644
--- a/src/arm64/frames-arm64.h
+++ b/src/arm64/frames-arm64.h
@@ -78,11 +78,10 @@ class ConstructFrameConstants : public AllStatic {
   // FP-relative.
   static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset;
   static const int kLengthOffset           = -4 * kPointerSize;
-  static const int kConstructorOffset      = -5 * kPointerSize;
-  static const int kImplicitReceiverOffset = -6 * kPointerSize;
+  static const int kImplicitReceiverOffset = -5 * kPointerSize;
 
   static const int kFrameSize =
-      StandardFrameConstants::kFixedFrameSize + 4 * kPointerSize;
+      StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize;
 };