1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-pat-enum.rs b/tests/ui/borrowck/borrowck-pat-enum.rs
new file mode 100644
index 00000000000..7f9c5544d0b
--- /dev/null
+++ b/tests/ui/borrowck/borrowck-pat-enum.rs
@@ -0,0 +1,39 @@
+// run-pass
+#![allow(dead_code)]
+// ignore-pretty issue #37199
+
+fn match_ref(v: Option<isize>) -> isize {
+    match v {
+      Some(ref i) => {
+        *i
+      }
+      None => {0}
+    }
+}
+
+fn match_ref_unused(v: Option<isize>) {
+    match v {
+      Some(_) => {}
+      None => {}
+    }
+}
+
+fn impure(_i: isize) {
+}
+
+fn match_imm_reg(v: &Option<isize>) {
+    match *v {
+      Some(ref i) => {impure(*i)} // OK because immutable
+      None => {}
+    }
+}
+
+fn match_mut_reg(v: &mut Option<isize>) {
+    match *v {
+      Some(ref i) => {impure(*i)} // OK, frozen
+      None => {}
+    }
+}
+
+pub fn main() {
+}