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-rw-r--r--tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs
index 199cbbf4fcc..8aba3de530b 100644
--- a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs
+++ b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs
@@ -2,6 +2,7 @@
 use std::fmt::Debug;
 
 fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
+    //~^ ERROR cannot resolve opaque type
     |x| x
     //~^ ERROR expected generic lifetime parameter, found `'_`
 }