[es6] Throw TypeError for computed static prototype property name

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 8a7e847b875be2b7e628163836e6fd93d354a9e8..3265bf45284a45ed68e1513b418cf0a10f88c9f9 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -2495,6 +2495,16 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
       __ push(Operand(esp, 0));  // prototype
     }
     EmitPropertyKey(property, lit->GetIdForProperty(i));
+
+    // The static prototype property is read only. We handle the non computed
+    // property name case in the parser. Since this is the only case where we
+    // need to check for an own read only property we special case this so we do
+    // not need to do this for every property.
+    if (property->is_static() && property->is_computed_name()) {
+      __ CallRuntime(Runtime::kThrowIfStaticPrototype, 1);
+      __ push(eax);
+    }
+
     VisitForStackValue(value);
     EmitSetHomeObjectIfNeeded(value, 2);