From ec809188654b4b4c8defef4f2baead6e7518cf36 Mon Sep 17 00:00:00 2001
From: Michael Sullivan <sully@msully.net>
Date: Fri, 24 Jun 2011 16:23:11 -0700
Subject: [PATCH] Add a test written by jdm that tests repeated vector self
 appending.

---
 src/test/run-pass/vec-self-append.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/run-pass/vec-self-append.rs

diff --git a/src/test/run-pass/vec-self-append.rs b/src/test/run-pass/vec-self-append.rs
new file mode 100644
index 000000000000..882bced29a3e
--- /dev/null
+++ b/src/test/run-pass/vec-self-append.rs
@@ -0,0 +1,12 @@
+// xfail-stage0
+
+fn main()
+{
+    // Make sure we properly handle repeated self-appends.
+    let vec[int] a = [0];
+    auto i = 20;
+    while (i > 0) {
+        a += a;
+        i -= 1;
+    }
+}