Fix slice printing

Author: jjjjw

src/librustc/util/ppaux.rs

@@ -238,8 +238,7 @@ pub fn vstore_to_str(cx: ctxt, vs: ty::vstore) -> ~str {
       ty::vstore_fixed(n) => fmt!("%u", n),
       ty::vstore_uniq => ~"~",
       ty::vstore_box => ~"@",
-      /* FIXME(#4517) slice fmt */
-      ty::vstore_slice(r) => region_to_str(cx, r)
+      ty::vstore_slice(r) => region_to_str_adorned(cx, "&", r, "/")
     }
 }
 
@@ -248,7 +247,6 @@ pub fn vstore_ty_to_str(cx: ctxt, ty: ~str, vs: ty::vstore) -> ~str {
       ty::vstore_fixed(_) => {
         fmt!("[%s * %s]", ty, vstore_to_str(cx, vs))
       }
-      /* FIXME(#4517) slice fmt */
       ty::vstore_slice(_) => {
         fmt!("%s/%s", vstore_to_str(cx, vs), ty)
       }

src/test/compile-fail/issue-2149.rs

@@ -22,6 +22,6 @@ impl<A> vec_monad<A> for ~[A] {
 }
 fn main() {
     ["hi"].bind(|x| [x] );
-    //~^ ERROR type `[&staticstr * 1]` does not implement any method in scope named `bind`
+    //~^ ERROR type `[&static/str * 1]` does not implement any method in scope named `bind`
     //~^^ ERROR Unconstrained region variable
 }