test

tests/unaligned_references.rs

@@ -0,0 +1,18 @@
+#[repr(packed)]
+pub struct X {
+    pub inner: u16,
+}
+
+#[forbid(unaligned_references)]
+fn _f(this: &X) {
+    let _ = &this.inner;
+    //~^ ERROR reference to packed field is unaligned
+}
+
+pin_project_lite::pin_project! {
+    //~^ WARN borrow of packed field is unsafe and requires unsafe function or block (error E0133)
+    #[repr(packed)]
+    pub struct Y {
+        pub inner: u16
+    }
+}