librustc: implement Clone for middle::ty::FreeVar

alexcrichton · Feb 18, 2015 · d2f54e6 · d2f54e6
1 parent 061206b
commit d2f54e6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/librustc/middle/ty.rs b/src/librustc/middle/ty.rs
@@ -6636,7 +6636,7 @@ pub fn accumulate_lifetimes_in_type(accumulator: &mut Vec<ty::Region>,
 }
 
 /// A free variable referred to in a function.
-#[derive(Copy, RustcEncodable, RustcDecodable)]
+#[derive(Copy, Clone, RustcEncodable, RustcDecodable)]
 pub struct Freevar {
     /// The variable being accessed free.
     pub def: def::Def,