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-rw-r--r--src/librustc/diagnostics.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs
index fe3f1bbbe8c..130266e6273 100644
--- a/src/librustc/diagnostics.rs
+++ b/src/librustc/diagnostics.rs
@@ -1974,7 +1974,7 @@ A closure or generator was constructed that references its own type.
 
 Erroneous example:
 
-```rust
+```compile-fail,E0644
 fn fix<F>(f: &F)
   where F: Fn(&F)
 {