1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-mut-vec-as-imm-slice.rs b/src/test/ui/borrowck/borrowck-mut-vec-as-imm-slice.rs
new file mode 100644
index 000000000..d2b0c0154
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-mut-vec-as-imm-slice.rs
@@ -0,0 +1,16 @@
+// run-pass
+
+
+fn want_slice(v: &[isize]) -> isize {
+    let mut sum = 0;
+    for i in v { sum += *i; }
+    sum
+}
+
+fn has_mut_vec(v: Vec<isize> ) -> isize {
+    want_slice(&v)
+}
+
+pub fn main() {
+    assert_eq!(has_mut_vec(vec![1, 2, 3]), 6);
+}