1 files changed, 73 insertions, 0 deletions
diff --git a/src/test/ui/hygiene/auxiliary/fields.rs b/src/test/ui/hygiene/auxiliary/fields.rs
new file mode 100644
index 000000000..733d11a9e
--- /dev/null
+++ b/src/test/ui/hygiene/auxiliary/fields.rs
@@ -0,0 +1,73 @@
+#![feature(decl_macro)]
+
+#[derive(Copy, Clone, PartialEq, Debug)]
+pub enum Field {
+    RootCtxt,
+    MacroCtxt,
+}
+
+#[rustfmt::skip]
+macro x(
+    $macro_name:ident,
+    $macro2_name:ident,
+    $type_name:ident,
+    $field_name:ident,
+    $const_name:ident
+) {
+    #[derive(Copy, Clone)]
+    pub struct $type_name {
+        pub field: Field,
+        pub $field_name: Field,
+    }
+
+    pub const $const_name: $type_name =
+        $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt };
+
+    #[macro_export]
+    macro_rules! $macro_name {
+        (check_fields_of $e:expr) => {{
+            let e = $e;
+            assert_eq!(e.field, Field::MacroCtxt);
+            assert_eq!(e.$field_name, Field::RootCtxt);
+        }};
+        (check_fields) => {{
+            assert_eq!($const_name.field, Field::MacroCtxt);
+            assert_eq!($const_name.$field_name, Field::RootCtxt);
+        }};
+        (construct) => {
+            $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt }
+        };
+    }
+
+    pub macro $macro2_name {
+        (check_fields_of $e:expr) => {{
+            let e = $e;
+            assert_eq!(e.field, Field::MacroCtxt);
+            assert_eq!(e.$field_name, Field::RootCtxt);
+        }},
+        (check_fields) => {{
+            assert_eq!($const_name.field, Field::MacroCtxt);
+            assert_eq!($const_name.$field_name, Field::RootCtxt);
+        }},
+        (construct) => {
+            $type_name { field: Field::MacroCtxt, $field_name: Field::RootCtxt }
+        }
+    }
+}
+
+x!(test_fields, test_fields2, MyStruct, field, MY_CONST);
+
+pub fn check_fields(s: MyStruct) {
+    test_fields!(check_fields_of s);
+}
+
+pub fn check_fields_local() {
+    test_fields!(check_fields);
+    test_fields2!(check_fields);
+
+    let s1 = test_fields!(construct);
+    test_fields!(check_fields_of s1);
+
+    let s2 = test_fields2!(construct);
+    test_fields2!(check_fields_of s2);
+}