1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/ui/macros/issue-39404.rs b/src/test/ui/macros/issue-39404.rs
new file mode 100644
index 000000000..2229f2c39
--- /dev/null
+++ b/src/test/ui/macros/issue-39404.rs
@@ -0,0 +1,7 @@
+#![allow(unused)]
+
+macro_rules! m { ($i) => {} }
+//~^ ERROR missing fragment specifier
+//~| WARN previously accepted
+
+fn main() {}