1 files changed, 8 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/issue-3539.rs b/src/tools/rustfmt/tests/target/issue-3539.rs
new file mode 100644
index 000000000..aa2fa72ec
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-3539.rs
@@ -0,0 +1,8 @@
+use std::io::Error;
+
+fn main() {
+    let _read_num: fn() -> Result<(i32), Error> = || -> Result<(i32), Error> {
+        let a = 1;
+        Ok(a)
+    };
+}