From b8135fd5c8e51a0578cff82096cbbf7e5d57fdeb Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Tue, 8 Mar 2022 15:39:52 +0100
Subject: add `#[rustc_pass_by_value]` to more types

---
 compiler/rustc_macros/src/newtype.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'compiler/rustc_macros/src')

diff --git a/compiler/rustc_macros/src/newtype.rs b/compiler/rustc_macros/src/newtype.rs
index f5968a8a7ea..c8b31cd0c4d 100644
--- a/compiler/rustc_macros/src/newtype.rs
+++ b/compiler/rustc_macros/src/newtype.rs
@@ -197,6 +197,7 @@ impl Parse for Newtype {
             #(#attrs)*
             #[derive(Clone, Copy, PartialEq, Eq, Hash, #(#derive_paths),*)]
             #[rustc_layout_scalar_valid_range_end(#max)]
+            #[rustc_pass_by_value]
             #vis struct #name {
                 private: u32,
             }
-- 
cgit 1.4.1-3-g733a5