parser: fix build on solaris

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 5a5c734ae3c4e3587d750e5a794051590ea7321e..4a2cb0290b4b20d97d12ea6204028784a6afe137 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -427,16 +427,16 @@ class ParserTraits {
   explicit ParserTraits(Parser* parser) : parser_(parser) {}
 
   // Custom operations executed when FunctionStates are created and destructed.
-  template<typename FS>
-  static void SetUpFunctionState(FS* function_state, Zone* zone) {
+  template<typename FunctionState>
+  static void SetUpFunctionState(FunctionState* function_state, Zone* zone) {
     Isolate* isolate = zone->isolate();
     function_state->isolate_ = isolate;
     function_state->saved_ast_node_id_ = isolate->ast_node_id();
     isolate->set_ast_node_id(BailoutId::FirstUsable().ToInt());
   }
 
-  template<typename FS>
-  static void TearDownFunctionState(FS* function_state) {
+  template<typename FunctionState>
+  static void TearDownFunctionState(FunctionState* function_state) {
     if (function_state->outer_function_state_ != NULL) {
       function_state->isolate_->set_ast_node_id(
           function_state->saved_ast_node_id_);