Allow more deriving on packed structs.

[rust.git] / compiler / rustc_builtin_macros / src / deriving / hash.rs

diff --git a/compiler/rustc_builtin_macros/src/deriving/hash.rs b/compiler/rustc_builtin_macros/src/deriving/hash.rs
index f8570d8f86a08dd691fe82dbd23c26518afcde24..5c2e89c5697b2776478d0dd5c707d15d957bfa0c 100644 (file)
--- a/compiler/rustc_builtin_macros/src/deriving/hash.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/hash.rs
@@ -24,6 +24,7 @@ pub fn expand_deriving_hash(
         span,
         path,
         skip_path_as_bound: false,
+        needs_copy_as_bound_if_packed: true,
         additional_bounds: Vec::new(),
         supports_unions: false,
         methods: vec![MethodDef {