Merged r20033, r20138 into 3.23 branch.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 0a3f043bc7619f647a5a06859497291a8b0e2295..fde0e418b9a7e531d3eb1688e70fec771bea09ac 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -4549,7 +4549,8 @@ void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
         this, Safepoint::kWithRegistersAndDoubles);
     __ Move(r0, object_reg);
     __ Move(r1, to_map);
-    TransitionElementsKindStub stub(from_kind, to_kind);
+    bool is_js_array = from_map->instance_type() == JS_ARRAY_TYPE;
+    TransitionElementsKindStub stub(from_kind, to_kind, is_js_array);
     __ CallStub(&stub);
     RecordSafepointWithRegistersAndDoubles(
         instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);