Revert of ES6 computed property names

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 571cc337f641cf6fd82b04e511ca12ff42ebfd74..24747ee9e85b11d7e3fed1b50e70db0d2073e9b2 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1651,13 +1651,11 @@
   expr->CalculateEmitStore(zone());
 
   AccessorTable accessor_table(zone());
-  int property_index = 0;
-  for (; property_index < expr->properties()->length(); property_index++) {
-    ObjectLiteral::Property* property = expr->properties()->at(property_index);
-    if (property->is_computed_name()) break;
+  for (int i = 0; i < expr->properties()->length(); i++) {
+    ObjectLiteral::Property* property = expr->properties()->at(i);
     if (property->IsCompileTimeValue()) continue;
 
-    Literal* key = property->key()->AsLiteral();
+    Literal* key = property->key();
     Expression* value = property->value();
     if (!result_saved) {
       __ Push(rax);  // Save result on the stack
@@ -1737,65 +1735,6 @@
     __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5);
   }
 
-  // Object literals have two parts. The "static" part on the left contains no
-  // computed property names, and so we can compute its map ahead of time; see
-  // runtime.cc::CreateObjectLiteralBoilerplate. The second "dynamic" part
-  // starts with the first computed property name, and continues with all
-  // properties to its right.  All the code from above initializes the static
-  // component of the object literal, and arranges for the map of the result to
-  // reflect the static order in which the keys appear. For the dynamic
-  // properties, we compile them into a series of "SetOwnProperty" runtime
-  // calls. This will preserve insertion order.
-  for (; property_index < expr->properties()->length(); property_index++) {
-    ObjectLiteral::Property* property = expr->properties()->at(property_index);
-
-    Expression* value = property->value();
-    if (!result_saved) {
-      __ Push(rax);  // Save result on the stack
-      result_saved = true;
-    }
-
-    __ Push(Operand(rsp, 0));  // Duplicate receiver.
-
-    if (property->kind() == ObjectLiteral::Property::PROTOTYPE) {
-      DCHECK(!property->is_computed_name());
-      VisitForStackValue(value);
-      if (property->emit_store()) {
-        __ CallRuntime(Runtime::kInternalSetPrototype, 2);
-      } else {
-        __ Drop(2);
-      }
-    } else {
-      EmitPropertyKey(property);
-      VisitForStackValue(value);
-
-      switch (property->kind()) {
-        case ObjectLiteral::Property::CONSTANT:
-        case ObjectLiteral::Property::MATERIALIZED_LITERAL:
-        case ObjectLiteral::Property::COMPUTED:
-          if (property->emit_store()) {
-            __ Push(Smi::FromInt(NONE));
-            __ CallRuntime(Runtime::kDefineDataPropertyUnchecked, 4);
-          } else {
-            __ Drop(3);
-          }
-          break;
-
-        case ObjectLiteral::Property::PROTOTYPE:
-          UNREACHABLE();
-          break;
-
-        case ObjectLiteral::Property::GETTER:
-          __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 3);
-          break;
-
-        case ObjectLiteral::Property::SETTER:
-          __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 3);
-          break;
-      }
-    }
-  }
-
   if (expr->has_function()) {
     DCHECK(result_saved);
     __ Push(Operand(rsp, 0));
@@ -2454,14 +2393,16 @@
 
   for (int i = 0; i < lit->properties()->length(); i++) {
     ObjectLiteral::Property* property = lit->properties()->at(i);
+    Literal* key = property->key()->AsLiteral();
     Expression* value = property->value();
+    DCHECK(key != NULL);
 
     if (property->is_static()) {
       __ Push(Operand(rsp, kPointerSize));  // constructor
     } else {
       __ Push(Operand(rsp, 0));  // prototype
     }
-    EmitPropertyKey(property);
+    VisitForStackValue(key);
     VisitForStackValue(value);
     EmitSetHomeObjectIfNeeded(value, 2);
 
@@ -2474,11 +2415,11 @@
         break;
 
       case ObjectLiteral::Property::GETTER:
-        __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 3);
+        __ CallRuntime(Runtime::kDefineClassGetter, 3);
         break;
 
       case ObjectLiteral::Property::SETTER:
-        __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 3);
+        __ CallRuntime(Runtime::kDefineClassSetter, 3);
         break;
 
       default: