Revert "Reland 21774: Generate KeyedLoadGeneric with Hydrogen"

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 4d895db43323dd06b6dd7fe77dd106d069e42e25..7eb753ab1c9d36f6848efb21f6d7b4f83ae05fa6 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -5560,17 +5560,16 @@ RUNTIME_FUNCTION(Runtime_StoreArrayLiteralElement) {
     HeapNumber* number = HeapNumber::cast(*value);
     double_array->set(store_index, number->Number());
   } else {
-    if (!IsFastObjectElementsKind(elements_kind)) {
-      ElementsKind transitioned_kind = IsFastHoleyElementsKind(elements_kind)
-          ? FAST_HOLEY_ELEMENTS
-          : FAST_ELEMENTS;
-      JSObject::TransitionElementsKind(object, transitioned_kind);
-      ElementsKind boilerplate_elements_kind =
-          boilerplate_object->GetElementsKind();
-      if (IsMoreGeneralElementsKindTransition(boilerplate_elements_kind,
-                                              transitioned_kind)) {
-        JSObject::TransitionElementsKind(boilerplate_object, transitioned_kind);
-      }
+    ASSERT(IsFastSmiElementsKind(elements_kind) ||
+           IsFastDoubleElementsKind(elements_kind));
+    ElementsKind transitioned_kind = IsFastHoleyElementsKind(elements_kind)
+        ? FAST_HOLEY_ELEMENTS
+        : FAST_ELEMENTS;
+    JSObject::TransitionElementsKind(object, transitioned_kind);
+    if (IsMoreGeneralElementsKindTransition(
+            boilerplate_object->GetElementsKind(),
+            transitioned_kind)) {
+      JSObject::TransitionElementsKind(boilerplate_object, transitioned_kind);
     }
     FixedArray* object_array = FixedArray::cast(object->elements());
     object_array->set(store_index, *value);