Support generic methods. Fix #556.

test/splitting/type_arguments.stmt

Index: test/splitting/type_arguments.stmt
diff --git a/test/splitting/type_arguments.stmt b/test/splitting/type_arguments.stmt
index f89429f083c2fa589404097410f3285777c0d8a1..fadd0d81c01fdb5f5845e9d739be977b262049cd 100644
--- a/test/splitting/type_arguments.stmt
+++ b/test/splitting/type_arguments.stmt
@@ -35,4 +35,24 @@ new SomeClass<
     TypeArgument>(valueArgument);
 <<<
 new SomeClass<TypeArgument>(
-    valueArgument);
+    valueArgument);
+>>> split both type and value arguments
+new SomeClass<First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth>(first, second, third, fourth, fifth, sixth, seventh, eighth);
+<<<
+new SomeClass<
+        First,
+        Second,
+        Third,
+        Fourth,
+        Fifth,
+        Sixth,
+        Seventh,
+        Eighth>(
+    first,
+    second,
+    third,
+    fourth,
+    fifth,
+    sixth,
+    seventh,
+    eighth);