Clean up JSConstructStub

src/arm64/builtins-arm64.cc

Index: src/arm64/builtins-arm64.cc
diff --git a/src/arm64/builtins-arm64.cc b/src/arm64/builtins-arm64.cc
index b70500a41e51404c6ef6f2ced55db7af30cdfb14..4a679789a59cf82254cac4c84e4c95b59d74cc81 100644
--- a/src/arm64/builtins-arm64.cc
+++ b/src/arm64/builtins-arm64.cc
@@ -522,7 +522,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
       __ Add(new_obj, new_obj, kHeapObjectTag);
 
       // Check if a non-empty properties array is needed. Continue with
-      // allocated object if not, or fall through to runtime call if it is.
+      // allocated object if not; allocate and initialize a FixedArray if yes.
       Register element_count = x3;
       __ Ldrb(element_count,
               FieldMemOperand(init_map, Map::kUnusedPropertyFieldsOffset));