make test typecheck

Author: nikomatsakis

src/test/pretty/block-arg-disambig.rs

@@ -1,5 +1,2 @@
 fn blk1(b: block()) -> fn@() { ret fn@() { }; }
-
 fn test1() { (blk1 {|| #debug["hi"]; })(); }
-
-fn test2() { (blk1 {|| #debug["hi"]; }) {|| #debug["ho"]; }; }