[turbofan] Assign proper types to Parameter nodes.

test/unittests/compiler/graph-unittest.cc

Index: test/unittests/compiler/graph-unittest.cc
diff --git a/test/unittests/compiler/graph-unittest.cc b/test/unittests/compiler/graph-unittest.cc
index f13dbff2d3b8727e5cb789373fe476db1ad3f1af..dc2ba7814ba6bd96538cde619c157cf536facfaa 100644
--- a/test/unittests/compiler/graph-unittest.cc
+++ b/test/unittests/compiler/graph-unittest.cc
@@ -103,10 +103,8 @@ Matcher<Node*> GraphTest::IsUndefinedConstant() {
   return IsHeapConstant(factory()->undefined_value());
 }
 
-
 TypedGraphTest::TypedGraphTest(int num_parameters)
-    : GraphTest(num_parameters), typer_(isolate(), graph()) {}
-
+    : GraphTest(num_parameters), typer_(isolate(), Typer::kNoFlags, graph()) {}
 
 TypedGraphTest::~TypedGraphTest() {}