From 9f0e1d4921bbb40fea71594d7c599c09ab513232 Mon Sep 17 00:00:00 2001
From: Ryan Levick <me@ryanlevick.com>
Date: Tue, 9 Feb 2021 22:17:10 +0100
Subject: [PATCH] Add attr-on-params test

---
 src/test/ui/attributes/attrs-on-params.rs     |  8 ++++++++
 src/test/ui/attributes/attrs-on-params.stderr | 17 +++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/test/ui/attributes/attrs-on-params.rs
 create mode 100644 src/test/ui/attributes/attrs-on-params.stderr

diff --git a/src/test/ui/attributes/attrs-on-params.rs b/src/test/ui/attributes/attrs-on-params.rs
new file mode 100644
index 00000000000..0e606eac1e8
--- /dev/null
+++ b/src/test/ui/attributes/attrs-on-params.rs
@@ -0,0 +1,8 @@
+// This checks that incorrect params on function parameters are caught
+
+fn function(#[inline] param: u32) {
+    //~^ ERROR attribute should be applied to function or closure
+    //~| ERROR allow, cfg, cfg_attr, deny, forbid, and warn are the only allowed built-in attributes
+}
+
+fn main() {}
diff --git a/src/test/ui/attributes/attrs-on-params.stderr b/src/test/ui/attributes/attrs-on-params.stderr
new file mode 100644
index 00000000000..003f43d371a
--- /dev/null
+++ b/src/test/ui/attributes/attrs-on-params.stderr
@@ -0,0 +1,17 @@
+error: allow, cfg, cfg_attr, deny, forbid, and warn are the only allowed built-in attributes in function parameters
+  --> $DIR/attrs-on-params.rs:3:13
+   |
+LL | fn function(#[inline] param: u32) {
+   |             ^^^^^^^^^
+
+error[E0518]: attribute should be applied to function or closure
+  --> $DIR/attrs-on-params.rs:3:13
+   |
+LL | fn function(#[inline] param: u32) {
+   |             ^^^^^^^^^-----------
+   |             |
+   |             not a function or closure
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0518`.