Index: src/heap.cc |
diff --git a/src/heap.cc b/src/heap.cc |
index 694d9fd2361b8302118e5712e91df33462b8d531..b9252b23b66d30ff101327458e672bd6ef7d9288 100644 |
--- a/src/heap.cc |
+++ b/src/heap.cc |
@@ -2090,7 +2090,8 @@ MaybeObject* Heap::AllocateMap(InstanceType instance_type, |
map->set_unused_property_fields(0); |
map->set_bit_field(0); |
map->set_bit_field2(1 << Map::kIsExtensible); |
- map->set_bit_field3(0); |
+ int bit_field3 = Map::EnumLengthBits::encode(Map::kInvalidEnumCache); |
+ map->set_bit_field3(bit_field3); |
map->set_elements_kind(elements_kind); |
// If the map object is aligned fill the padding area with Smi 0 objects. |