1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/compile-fail/writing-to-immutable-vec.rs b/src/test/compile-fail/writing-to-immutable-vec.rs
new file mode 100644
index 00000000..341037c3
--- /dev/null
+++ b/src/test/compile-fail/writing-to-immutable-vec.rs
@@ -0,0 +1,5 @@
+// error-pattern: writing to immutable type
+fn main() {
+  let vec[int] v = vec(1, 2, 3);
+  v.(1) = 4;
+}
+\ No newline at end of file