1 files changed, 14 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/fn-ty.rs b/src/tools/rustfmt/tests/target/fn-ty.rs
new file mode 100644
index 000000000..7d48f3b32
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/fn-ty.rs
@@ -0,0 +1,14 @@
+fn f(
+    xxxxxxxxxxxxxxxxxx: fn(a, b, b) -> a,
+    xxxxxxxxxxxxxxxxxx: fn() -> a,
+    xxxxxxxxxxxxxxxxxx: fn(a, b, b),
+    xxxxxxxxxxxxxxxxxx: fn(),
+    xxxxxxxxxxxxxxxxxx: fn(a, b, b) -> !,
+    xxxxxxxxxxxxxxxxxx: fn() -> !,
+) where
+    F1: Fn(a, b, b) -> a,
+    F2: Fn(a, b, b),
+    F3: Fn(),
+    F4: Fn() -> u32,
+{
+}