1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/underscore-imports/macro-expanded.rs b/src/test/ui/underscore-imports/macro-expanded.rs
new file mode 100644
index 000000000..43f527bc9
--- /dev/null
+++ b/src/test/ui/underscore-imports/macro-expanded.rs
@@ -0,0 +1,45 @@
+// Check that macro expanded underscore imports behave as expected
+
+// check-pass
+
+#![feature(decl_macro, rustc_attrs)]
+
+mod x {
+    pub use std::ops::Not as _;
+}
+
+macro m() {
+    mod w {
+        mod y {
+            pub use std::ops::Deref as _;
+        }
+        use crate::x::*;
+        use self::y::*;
+        use std::ops::DerefMut as _;
+        fn f() {
+            false.not();
+            (&()).deref();
+            (&mut ()).deref_mut();
+        }
+    }
+}
+
+#[rustc_macro_transparency = "transparent"]
+macro n() {
+    mod z {
+        pub use std::ops::Deref as _;
+    }
+    use crate::x::*;
+    use crate::z::*;
+    use std::ops::DerefMut as _;
+    fn f() {
+        false.not();
+        (&()).deref();
+        (&mut ()).deref_mut();
+    }
+}
+
+m!();
+n!();
+
+fn main() {}