[turbofan] Assign proper types to Parameter nodes.

test/cctest/compiler/test-js-typed-lowering.cc

Index: test/cctest/compiler/test-js-typed-lowering.cc
diff --git a/test/cctest/compiler/test-js-typed-lowering.cc b/test/cctest/compiler/test-js-typed-lowering.cc
index a925d5ea2c7eb934eb647c164582d716696344cc..8e0ccff27c9fe1b4c195cc1c1c2edbeeae0b4a8b 100644
--- a/test/cctest/compiler/test-js-typed-lowering.cc
+++ b/test/cctest/compiler/test-js-typed-lowering.cc
@@ -38,7 +38,7 @@ class JSTypedLoweringTester : public HandleAndZoneScope {
         common(main_zone()),
         deps(main_isolate(), main_zone()),
         graph(main_zone()),
-        typer(main_isolate(), &graph),
+        typer(main_isolate(), Typer::kNoFlags, &graph),
         context_node(NULL),
         flags(flags) {
     graph.SetStart(graph.NewNode(common.Start(num_parameters)));