1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/nll/user-annotations/adt-brace-enums.rs b/tests/ui/nll/user-annotations/adt-brace-enums.rs
new file mode 100644
index 00000000000..0d9828342d8
--- /dev/null
+++ b/tests/ui/nll/user-annotations/adt-brace-enums.rs
@@ -0,0 +1,50 @@
+// Unit test for the "user substitutions" that are annotated on each
+// node.
+
+enum SomeEnum<T> {
+    SomeVariant { t: T }
+}
+
+fn no_annot() {
+    let c = 66;
+    SomeEnum::SomeVariant { t: &c };
+}
+
+fn annot_underscore() {
+    let c = 66;
+    SomeEnum::SomeVariant::<_> { t: &c };
+}
+
+fn annot_reference_any_lifetime() {
+    let c = 66;
+    SomeEnum::SomeVariant::<&u32> { t: &c };
+}
+
+fn annot_reference_static_lifetime() {
+    let c = 66;
+    SomeEnum::SomeVariant::<&'static u32> { t: &c }; //~ ERROR
+}
+
+fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
+    let c = 66;
+    SomeEnum::SomeVariant::<&'a u32> { t: &c }; //~ ERROR
+}
+
+fn annot_reference_named_lifetime_ok<'a>(c: &'a u32) {
+    SomeEnum::SomeVariant::<&'a u32> { t: c };
+}
+
+fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
+    let _closure = || {
+        let c = 66;
+        SomeEnum::SomeVariant::<&'a u32> { t: &c }; //~ ERROR
+    };
+}
+
+fn annot_reference_named_lifetime_in_closure_ok<'a>(c: &'a u32) {
+    let _closure = || {
+        SomeEnum::SomeVariant::<&'a u32> { t: c };
+    };
+}
+
+fn main() { }