1 files changed, 12 insertions, 5 deletions
diff --git a/src/test/compile-fail/recursion.rs b/src/test/compile-fail/recursion.rs
index 67177eff9f9..f39c839a0e7 100644
--- a/src/test/compile-fail/recursion.rs
+++ b/src/test/compile-fail/recursion.rs
@@ -8,18 +8,25 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-command-line: See https://github.com/rust-lang/rust/issues/20747
+//
+// We also get a second error message at the top of file (dummy
+// span). This is not helpful, but also kind of annoying to prevent,
+// so for now just live with it, since we also get a second message
+// that is more helpful.
+
 enum Nil {NilValue}
-struct Cons<T> {head:int, tail:T}
-trait Dot {fn dot(&self, other:Self) -> int;}
+struct Cons<T> {head:isize, tail:T}
+trait Dot {fn dot(&self, other:Self) -> isize;}
 impl Dot for Nil {
-  fn dot(&self, _:Nil) -> int {0}
+  fn dot(&self, _:Nil) -> isize {0}
 }
 impl<T:Dot> Dot for Cons<T> {
-  fn dot(&self, other:Cons<T>) -> int {
+  fn dot(&self, other:Cons<T>) -> isize {
     self.head * other.head + self.tail.dot(other.tail)
   }
 }
-fn test<T:Dot> (n:int, i:int, first:T, second:T) ->int {
+fn test<T:Dot> (n:isize, i:isize, first:T, second:T) ->isize {
   match n {    0 => {first.dot(second)}
       //~^ ERROR: reached the recursion limit during monomorphization
       // Error message should be here. It should be a type error