Weak Cells

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 83e895108179d1fd83be71580dc2476efe3491d5..c8149bb3295d126256f6a27c75cbd92dd7fa970f 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -169,6 +169,9 @@ void HeapObject::HeapObjectPrint(std::ostream& os) {  // NOLINT
     case PROPERTY_CELL_TYPE:
       PropertyCell::cast(this)->PropertyCellPrint(os);
       break;
+    case WEAK_CELL_TYPE:
+      WeakCell::cast(this)->WeakCellPrint(os);
+      break;
     case JS_ARRAY_BUFFER_TYPE:
       JSArrayBuffer::cast(this)->JSArrayBufferPrint(os);
       break;
@@ -862,6 +865,11 @@ void PropertyCell::PropertyCellPrint(std::ostream& os) {  // NOLINT
 }
 
 
+void WeakCell::WeakCellPrint(std::ostream& os) {  // NOLINT
+  HeapObject::PrintHeader(os, "WeakCell");
+}
+
+
 void Code::CodePrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Code");
 #ifdef ENABLE_DISASSEMBLER