X87: [es6] Throw TypeError for computed static prototype property name

src/x87/full-codegen-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 2464 matching lines @@
   for (int i = 0; i < lit->properties()->length(); i++) {
     ObjectLiteral::Property* property = lit->properties()->at(i);
     Expression* value = property->value();
 
     if (property->is_static()) {
       __ push(Operand(esp, kPointerSize));  // constructor
     } else {
       __ 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);
 
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
       case ObjectLiteral::Property::PROTOTYPE:
         UNREACHABLE();
       case ObjectLiteral::Property::COMPUTED:
         __ CallRuntime(Runtime::kDefineClassMethod, 3);
@@ skipping 2879 matching lines @@
   DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87