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-rw-r--r--tests/ui/hygiene/extern-prelude-from-opaque-fail.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs b/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs
index 571017df4..f3fa2ddda 100644
--- a/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs
+++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs
@@ -1,3 +1,4 @@
+// edition:2015
#![feature(decl_macro)]
macro a() {