Removed support for object literal get/set with number/string property name.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index c7d3ff7f1bfbef600176c806619a1e946fa703fb..f9c5286291a2e4aa687f0c41d544774b84e6c5f1 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -305,13 +305,14 @@ static Handle<Object> CreateObjectLiteralBoilerplate(
       }
       Handle<Object> result;
       uint32_t element_index = 0;
-      if (key->ToArrayIndex(&element_index)) {
-        // Array index (uint32).
-        result = SetElement(boilerplate, element_index, value);
-      } else if (key->IsSymbol()) {
-        // The key is not an array index.
+      if (key->IsSymbol()) {
+        // If key is a symbol it is not an array element.
         Handle<String> name(String::cast(*key));
+        ASSERT(!name->AsArrayIndex(&element_index));
         result = SetProperty(boilerplate, name, value, NONE);
+      } else if (key->ToArrayIndex(&element_index)) {
+        // Array index (uint32).
+        result = SetElement(boilerplate, element_index, value);
       } else {
         // Non-uint32 number.
         ASSERT(key->IsNumber());