[strong] create strong array literals

src/compiler/js-typed-lowering.cc

Index: src/compiler/js-typed-lowering.cc
diff --git a/src/compiler/js-typed-lowering.cc b/src/compiler/js-typed-lowering.cc
index 8715fba4cde7fb5c9e8ab9d562a04c38154e2940..d4fe91bbfc2b9a36c8d5b61c17c9aa15bd2db1c2 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -958,7 +958,9 @@ Reduction JSTypedLowering::ReduceJSCreateLiteralArray(Node* node) {
 
   // Use the FastCloneShallowArrayStub only for shallow boilerplates up to the
   // initial length limit for arrays with "fast" elements kind.
+  // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub.
   if ((flags & ArrayLiteral::kShallowElements) != 0 &&
+      (flags & ArrayLiteral::kIsStrong) == 0 &&
       length < JSObject::kInitialMaxFastElementArray) {
     Isolate* isolate = jsgraph()->isolate();
     Callable callable = CodeFactory::FastCloneShallowArray(isolate);