1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/binding/let-var-hygiene.rs b/tests/ui/binding/let-var-hygiene.rs
new file mode 100644
index 000000000..571207bd7
--- /dev/null
+++ b/tests/ui/binding/let-var-hygiene.rs
@@ -0,0 +1,11 @@
+// run-pass
+// shouldn't affect evaluation of $ex:
+
+macro_rules! bad_macro {
+    ($ex:expr) => ({let _x = 9; $ex})
+}
+
+pub fn main() {
+    let _x = 8;
+    assert_eq!(bad_macro!(_x),8)
+}