testsuite: Un-xfail test for #5917

Author: catamorphism

src/test/run-pass/issue-5917.rs

@@ -8,12 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// xfail-test
-
 use std::io;
 
 struct T (&'static [int]);
 static t : T = T (&'static [5, 4, 3]);
 fn main () {
     assert_eq!(t[0], 5);
-}
+}