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-rw-r--r--src/libcore/alloc.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcore/alloc.rs b/src/libcore/alloc.rs
index f08baa3dd71..54440eaa40f 100644
--- a/src/libcore/alloc.rs
+++ b/src/libcore/alloc.rs
@@ -63,7 +63,7 @@ fn size_align<T>() -> (usize, usize) {
 /// requests have positive size. A caller to the `Alloc::alloc`
 /// method must either ensure that conditions like this are met, or
 /// use specific allocators with looser requirements.)
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub struct Layout {
     // size of the requested block of memory, measured in bytes.
     size: usize,