1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/ui/async-await/issues/issue-60674.rs b/src/test/ui/async-await/issues/issue-60674.rs
new file mode 100644
index 000000000..c0e34a8df
--- /dev/null
+++ b/src/test/ui/async-await/issues/issue-60674.rs
@@ -0,0 +1,19 @@
+// aux-build:issue-60674.rs
+// build-pass (FIXME(62277): could be check-pass?)
+// edition:2018
+
+// This is a regression test that ensures that `mut` patterns are not lost when provided as input
+// to a proc macro.
+
+extern crate issue_60674;
+
+#[issue_60674::attr]
+async fn f(mut x: u8) {}
+
+#[issue_60674::attr]
+async fn g((mut x, y, mut z): (u8, u8, u8)) {}
+
+#[issue_60674::attr]
+async fn g(mut x: u8, (a, mut b, c): (u8, u8, u8), y: u8) {}
+
+fn main() {}