Merge pull request #250 from marcusklaas/regtest5

Add regression test for trait reference formatting

tests/source/fn-simple.rs

@@ -17,3 +17,5 @@ fn generic<T>(arg: T) -> &SomeType
         B, C, D, /* pre comment */ E /* last comment */) -> &SomeType {
     arg(a, b, c, d, e)    
 }
+
+fn some_func<T:Box<Trait+Bound>>(val:T){}

tests/target/fn-simple.rs

@@ -27,3 +27,6 @@ fn generic<T>(arg: T) -> &SomeType
 {
     arg(a, b, c, d, e)
 }
+
+fn some_func<T: Box<Trait + Bound>>(val: T) {
+}