Generator objects have [[Class]] === "Generator"

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index b4ab623829b9657382ab58bcbe347ce4b31d3dff..154f41a6e2cde005d1a02069f9989516c0d13eb2 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -1872,9 +1872,10 @@ Statement* Parser::ParseNativeDeclaration(bool* ok) {
   const int literals = fun->NumberOfLiterals();
   Handle<Code> code = Handle<Code>(fun->shared()->code());
   Handle<Code> construct_stub = Handle<Code>(fun->shared()->construct_stub());
+  bool is_generator = false;
   Handle<SharedFunctionInfo> shared =
-      isolate()->factory()->NewSharedFunctionInfo(name, literals, code,
-          Handle<ScopeInfo>(fun->shared()->scope_info()));
+      isolate()->factory()->NewSharedFunctionInfo(name, literals, is_generator,
+          code, Handle<ScopeInfo>(fun->shared()->scope_info()));
   shared->set_construct_stub(*construct_stub);
 
   // Copy the function data to the shared function info.