1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/str/str-overrun.rs b/src/test/ui/str/str-overrun.rs
new file mode 100644
index 00000000000..78bbf0cfdb9
--- /dev/null
+++ b/src/test/ui/str/str-overrun.rs
@@ -0,0 +1,9 @@
+// run-fail
+// error-pattern:index out of bounds: the len is 5 but the index is 5
+
+fn main() {
+    let s: String = "hello".to_string();
+
+    // Bounds-check panic.
+    assert_eq!(s.as_bytes()[5], 0x0 as u8);
+}