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-rw-r--r--src/librustc/util/enum_set.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc/util/enum_set.rs b/src/librustc/util/enum_set.rs
index 6534a7ba9b0..4e9b7cf00a0 100644
--- a/src/librustc/util/enum_set.rs
+++ b/src/librustc/util/enum_set.rs
@@ -98,6 +98,7 @@ impl<E:CLike> BitAnd<EnumSet<E>, EnumSet<E>> for EnumSet<E> {
 mod test {
     use core::prelude::*;
 
+    use core::cast;
     use core::iter;
 
     use util::enum_set::*;