diff --git a/src/test/run-fail/small-negative-indexing.rs b/src/test/run-fail/small-negative-indexing.rs
new file mode 100644
index 000000000000..89aa8c80dc2b
--- /dev/null
+++ b/src/test/run-fail/small-negative-indexing.rs
@@ -0,0 +1,6 @@
+
+fn main() {
+    let v = vec::from_fn(1024u) {|n| n};
+    // this should trip a bounds check
+    log(error, v[-1i8]);
+}