[stubs] Remove the is_jsarray bit from the TransitionElementsKindStub.

src/compiler/js-native-context-specialization.cc

Index: src/compiler/js-native-context-specialization.cc
diff --git a/src/compiler/js-native-context-specialization.cc b/src/compiler/js-native-context-specialization.cc
index d8c2254961e79f84e77185a0a1af2c985d3e7def..af860400e380c8ac368e2ae4d36dfbff7261fba8 100644
--- a/src/compiler/js-native-context-specialization.cc
+++ b/src/compiler/js-native-context-specialization.cc
@@ -626,8 +626,7 @@ Reduction JSNativeContextSpecialization::ReduceElementAccess(
           // Instance migration, let the stub deal with the {receiver}.
           TransitionElementsKindStub stub(isolate(),
                                           transition_source->elements_kind(),
-                                          transition_target->elements_kind(),
-                                          transition_source->IsJSArrayMap());
+                                          transition_target->elements_kind());
           CallDescriptor const* const desc = Linkage::GetStubCallDescriptor(
               isolate(), graph()->zone(), stub.GetCallInterfaceDescriptor(), 0,
               CallDescriptor::kNeedsFrameState, node->op()->properties());