[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 168fb48cc093949777bf31d37e16f2cb2fed937e..bc5e58cc64a869b624d6021a32531ddf2af9d038 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -954,7 +954,9 @@ 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);