1 files changed, 12 insertions, 0 deletions
diff --git a/src/libstd/unstable/raw.rs b/src/libstd/unstable/raw.rs
index 63208b3f2d7..8f5f8ea806f 100644
--- a/src/libstd/unstable/raw.rs
+++ b/src/libstd/unstable/raw.rs
@@ -9,9 +9,11 @@
 // except according to those terms.
 
 use cast;
+#[cfg(stage0)]
 use unstable::intrinsics::TyDesc;
 
 /// The representation of a Rust managed box
+#[cfg(stage0)]
 pub struct Box<T> {
     ref_count: uint,
     type_desc: *TyDesc,
@@ -20,6 +22,16 @@ pub struct Box<T> {
     data: T
 }
 
+/// The representation of a Rust managed box
+#[cfg(not(stage0))]
+pub struct Box<T> {
+    ref_count: uint,
+    drop_glue: fn(ptr: *mut u8),
+    prev: *mut Box<T>,
+    next: *mut Box<T>,
+    data: T
+}
+
 /// The representation of a Rust vector
 pub struct Vec<T> {
     fill: uint,