Add regression test for rust-lang#93197

Author: eholk

src/test/ui/async-await/issue-93197.rs

@@ -0,0 +1,15 @@
+// Regression test for #93197
+// build-pass
+// edition:2021
+
+#![feature(try_blocks)]
+
+use std::sync::{mpsc, mpsc::SendError};
+
+pub async fn foo() {
+    let (tx, _) = mpsc::channel();
+
+    let _: Result<(), SendError<&str>> = try { tx.send("hello")?; };
+}
+
+fn main() {}