Install the 'name' property in classes at runtime

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 0242f56712b2616dcf9e09ae1867e13675fa44d4..c82ed5ea5f8ca9ead0e4164bcd370db2d9176d34 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -293,6 +293,7 @@ class Genesis BASE_EMBEDDED {
   // prototype, maps.
   Handle<Map> sloppy_function_map_writable_prototype_;
   Handle<Map> strict_function_map_writable_prototype_;
+  Handle<Map> class_function_map_;
   Handle<JSFunction> strict_poison_function_;
   Handle<JSFunction> restricted_function_properties_thrower_;
 
@@ -684,6 +685,10 @@ void Genesis::CreateStrictModeFunctionMaps(Handle<JSFunction> empty) {
   strict_function_map_writable_prototype_ = factory()->CreateStrictFunctionMap(
       FUNCTION_WITH_WRITEABLE_PROTOTYPE, empty);
 
+  // Allocate map for classes
+  class_function_map_ = factory()->CreateClassFunctionMap(empty);
+  native_context()->set_class_function_map(*class_function_map_);
+
   // Now that the strict mode function map is available, set up the
   // restricted "arguments" and "caller" getters.
   AddRestrictedFunctionProperties(empty);
@@ -1267,6 +1272,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
 
     sloppy_function_map_writable_prototype_->SetConstructor(*function_fun);
     strict_function_map_writable_prototype_->SetConstructor(*function_fun);
+    class_function_map_->SetConstructor(*function_fun);
   }
 
   {  // --- A r r a y ---