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-rw-r--r--src/test/ui/liveness/liveness-derive.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/ui/liveness/liveness-derive.rs b/src/test/ui/liveness/liveness-derive.rs
index 66d0b7090ff..1921d0d72bc 100644
--- a/src/test/ui/liveness/liveness-derive.rs
+++ b/src/test/ui/liveness/liveness-derive.rs
@@ -12,7 +12,7 @@ pub trait T: Sized {
 
 impl T for u32 {
     const N: usize = {
-        let a = 0; // FIXME should warn about unused variable
+        let a = 0; //~ WARN unused variable: `a`
         4
     };