From fcf88b8f87597f97112f048eaa296b3127e51d0b Mon Sep 17 00:00:00 2001
From: Piotr Czarnecki <pioczarn@gmail.com>
Date: Mon, 25 Aug 2014 14:31:42 +0100
Subject: [PATCH] coretest: Ensure that pointer formatting flags are cleaned up

---
 src/libcoretest/fmt/mod.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libcoretest/fmt/mod.rs b/src/libcoretest/fmt/mod.rs
index 9fc09b3124e..3f2208e6c2d 100644
--- a/src/libcoretest/fmt/mod.rs
+++ b/src/libcoretest/fmt/mod.rs
@@ -9,3 +9,10 @@
 // except according to those terms.
 
 mod num;
+
+#[test]
+fn test_format_flags() {
+    // No residual flags left by pointer formatting
+    let p = "".as_ptr();
+    assert_eq!(format!("{:p} {:x}", p, 16u), format!("{:p} 10", p));
+}