1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/fn/issue-3099.rs b/tests/ui/fn/issue-3099.rs
new file mode 100644
index 00000000000..ee75b359388
--- /dev/null
+++ b/tests/ui/fn/issue-3099.rs
@@ -0,0 +1,11 @@
+fn a(x: String) -> String {
+    format!("First function with {}", x)
+}
+
+fn a(x: String, y: String) -> String { //~ ERROR the name `a` is defined multiple times
+    format!("Second function with {} and {}", x, y)
+}
+
+fn main() {
+    println!("Result: ");
+}