From 5ccd299b15e2ff5d351e0329df6e75dec2eb1b6b Mon Sep 17 00:00:00 2001
From: Gareth Daniel Smith <garethdanielsmith@gmail.com>
Date: Tue, 21 Aug 2012 19:41:29 +0100
Subject: [PATCH] fix a logic bug in small_bitv.set

---
 src/libstd/bitv.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/libstd/bitv.rs b/src/libstd/bitv.rs
index 77d39616b61c8..91e9a1dc94062 100644
--- a/src/libstd/bitv.rs
+++ b/src/libstd/bitv.rs
@@ -61,7 +61,7 @@ struct small_bitv {
             self.bits |= 1<<i;
         }
         else {
-            self.bits &= !(i as u32);
+            self.bits &= !(1<<i as u32);
         }
     }
     #[inline(always)]
@@ -456,6 +456,14 @@ mod tests {
         assert act.eq_vec(~[1u]);
     }
 
+    #[test]
+    fn test_2_elements() {
+        let b = bitv::bitv(2, false);
+        b.set(0, true);
+        b.set(1, false);
+        assert b.to_str() == ~"10";
+    }
+
     #[test]
     fn test_10_elements() {
         let mut act;