diff --git a/src/test/run-pass/explicit-i-suffix.rs b/src/test/run-pass/explicit-i-suffix.rs
new file mode 100644
index 00000000000..71b7c844102
--- /dev/null
+++ b/src/test/run-pass/explicit-i-suffix.rs
@@ -0,0 +1,9 @@
+fn main() {
+    let x: int = 8i;
+    let y = 9i;
+    x + y;
+
+    let q: int = -8i;
+    let r = -9i;
+    q + r;
+}