1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs b/src/test/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs
new file mode 100644
index 000000000..be775b37f
--- /dev/null
+++ b/src/test/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs
@@ -0,0 +1,42 @@
+// Test that the borrow checker doesn't consider checking an exhaustive pattern
+// as an access.
+
+// check-pass
+
+// aux-build:monovariants.rs
+extern crate monovariants;
+
+use monovariants::ExhaustiveMonovariant;
+
+enum Local {
+    Variant(u32),
+}
+
+#[non_exhaustive]
+enum LocalNonExhaustive {
+    Variant(u32),
+}
+
+fn main() {
+    let mut x = ExhaustiveMonovariant::Variant(1);
+    let y = &mut x;
+    match x {
+        ExhaustiveMonovariant::Variant(_) => {},
+        _ => {},
+    }
+    drop(y);
+    let mut x = Local::Variant(1);
+    let y = &mut x;
+    match x {
+        Local::Variant(_) => {},
+        _ => {},
+    }
+    drop(y);
+    let mut x = LocalNonExhaustive::Variant(1);
+    let y = &mut x;
+    match x {
+        LocalNonExhaustive::Variant(_) => {},
+        _ => {},
+    }
+    drop(y);
+}