Revert of Store SharedFunctionInfos of a Script in a FixedArray indexed by their ID

src/heap/object-stats.cc

Index: src/heap/object-stats.cc
diff --git a/src/heap/object-stats.cc b/src/heap/object-stats.cc
index 9f534a20e4ccf8850dc6ea5fd25e906a4eb63eb1..2e8f346fce11badc72712fd84d77ccc7a2fae529 100644
--- a/src/heap/object-stats.cc
+++ b/src/heap/object-stats.cc
@@ -441,8 +441,10 @@
 }
 
 void ObjectStatsCollector::RecordScriptDetails(Script* obj) {
-  FixedArray* infos = FixedArray::cast(obj->shared_function_infos());
-  RecordFixedArrayHelper(obj, infos, SHARED_FUNCTION_INFOS_SUB_TYPE, 0);
+  Object* infos = WeakFixedArray::cast(obj->shared_function_infos());
+  if (infos->IsWeakFixedArray())
+    RecordFixedArrayHelper(obj, WeakFixedArray::cast(infos),
+                           SHARED_FUNCTION_INFOS_SUB_TYPE, 0);
 }
 
 void ObjectStatsCollector::RecordMapDetails(Map* map_obj) {