Classes: Fix issue with default constructor crash

src/contexts.h

Index: src/contexts.h
diff --git a/src/contexts.h b/src/contexts.h
index dc77861b2578be34e1169ae932c50554adfbfa76..b963a183c030233805d7686326515417ffb306b3 100644
--- a/src/contexts.h
+++ b/src/contexts.h
@@ -183,7 +183,10 @@ enum BindingFlags {
   V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map)                             \
   V(ITERATOR_SYMBOL_INDEX, Symbol, iterator_symbol)                            \
   V(UNSCOPABLES_SYMBOL_INDEX, Symbol, unscopables_symbol)                      \
-  V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)
+  V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)            \
+  V(DEFAULT_CONSTRUCTOR_INDEX, JSFunction, default_constructor)                \
+  V(DEFAULT_CONSTRUCTOR_NO_SUPER_INDEX, JSFunction,                            \
+    default_constructor_no_super)
 
 // JSFunctions are pairs (context, function code), sometimes also called
 // closures. A Context object is used to represent function contexts and
@@ -360,6 +363,8 @@ class Context: public FixedArray {
     ITERATOR_SYMBOL_INDEX,
     UNSCOPABLES_SYMBOL_INDEX,
     ARRAY_VALUES_ITERATOR_INDEX,
+    DEFAULT_CONSTRUCTOR_INDEX,
+    DEFAULT_CONSTRUCTOR_NO_SUPER_INDEX,
 
     // Properties from here are treated as weak references by the full GC.
     // Scavenge treats them as strong references.