Add support for computed property names in object literals

src/prettyprinter.cc

Index: src/prettyprinter.cc
diff --git a/src/prettyprinter.cc b/src/prettyprinter.cc
index 4edf318fb655bd0dfd7d19235089560346468c7f..04438c89563c364a92fc4cdaef1e058164a1abf3 100644
--- a/src/prettyprinter.cc
+++ b/src/prettyprinter.cc
@@ -996,6 +996,9 @@ void AstPrinter::VisitObjectLiteral(ObjectLiteral* node) {
       case ObjectLiteral::Property::COMPUTED:
         prop_kind = "PROPERTY - COMPUTED";
         break;
+      case ObjectLiteral::Property::COMPUTED_NAME:
+        prop_kind = "PROPERTY - COMPUTED_NAME";
+        break;
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
         prop_kind = "PROPERTY - MATERIALIZED_LITERAL";
         break;