Add support for computed property names in object literals

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 4db3c7fe20427af2a6a82d138f1b07b00fb1c528..104a5aa40960f2fb3790f6c20f9bc819ce05efca 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -5302,7 +5302,7 @@ void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
     ObjectLiteral::Property* property = expr->properties()->at(i);
     if (property->IsCompileTimeValue()) continue;
 
-    Literal* key = property->key();
+    Literal* key = property->key()->AsLiteral();
     Expression* value = property->value();
 
     switch (property->kind()) {
@@ -5315,7 +5315,7 @@ void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
             CHECK_ALIVE(VisitForValue(value));
             HValue* value = Pop();
             Handle<Map> map = property->GetReceiverType();
-            Handle<String> name = property->key()->AsPropertyName();
+            Handle<String> name = key->AsPropertyName();
             HInstruction* store;
             if (map.is_null()) {
               // If we don't know the monomorphic type, do a generic store.
@@ -5344,6 +5344,7 @@ void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
           break;
         }
         // Fall through.
+      case ObjectLiteral::Property::COMPUTED_NAME:
       case ObjectLiteral::Property::PROTOTYPE:
       case ObjectLiteral::Property::SETTER:
       case ObjectLiteral::Property::GETTER: