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-rw-r--r--tests/ui/proc-macro/trait-fn-args-2015.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/trait-fn-args-2015.rs b/tests/ui/proc-macro/trait-fn-args-2015.rs
index c25bd768efe..010d986a86d 100644
--- a/tests/ui/proc-macro/trait-fn-args-2015.rs
+++ b/tests/ui/proc-macro/trait-fn-args-2015.rs
@@ -1,6 +1,7 @@
 // Unnamed arguments in trait functions can be passed through proc macros on 2015 edition.
 
 //@ check-pass
+//@ edition: 2015
 //@ proc-macro: test-macros.rs
 
 #![allow(anonymous_parameters)]