1 files changed, 9 insertions, 2 deletions
diff --git a/src/test/compile-fail/mut-pattern-internal-mutability.rs b/src/test/compile-fail/mut-pattern-internal-mutability.rs
index b0d618328dc..3a84bd6565e 100644
--- a/src/test/compile-fail/mut-pattern-internal-mutability.rs
+++ b/src/test/compile-fail/mut-pattern-internal-mutability.rs
@@ -8,11 +8,16 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// revisions: ast mir
+//[mir]compile-flags: -Z emit-end-regions -Z borrowck-mir
+
 fn main() {
     let foo = &mut 1;
 
     let &mut x = foo;
-    x += 1; //~ ERROR re-assignment of immutable variable
+    x += 1; //[ast]~ ERROR re-assignment of immutable variable
+            //[mir]~^ ERROR re-assignment of immutable variable `x` (Ast)
+            //[mir]~| ERROR re-assignment of immutable variable `x` (Mir)
 
     // explicitly mut-ify internals
     let &mut mut x = foo;
@@ -20,5 +25,7 @@ fn main() {
 
     // check borrowing is detected successfully
     let &mut ref x = foo;
-    *foo += 1; //~ ERROR cannot assign to `*foo` because it is borrowed
+    *foo += 1; //[ast]~ ERROR cannot assign to `*foo` because it is borrowed
+               //[mir]~^ ERROR cannot assign to `*foo` because it is borrowed (Ast)
+               //[mir]~| ERROR cannot assign to `(*foo)` because it is borrowed (Mir)
 }