derive(Ord): Fix cmp call to use references instead of values

CohenArthur · philberty · commit 9055c32dc07e · 2025-06-14T20:34:00.000Z
gcc/rust/ChangeLog:

	* expand/rust-derive-ord.cc (DeriveOrd::cmp_call): Use references.
diff --git a/gcc/rust/expand/rust-derive-ord.cc b/gcc/rust/expand/rust-derive-ord.cc
@@ -46,7 +46,8 @@ DeriveOrd::cmp_call (std::unique_ptr<Expr> &&self_expr,
     {"core", "cmp", trait (ordering), fn (ordering)}, true);
 
   return builder.call (ptrify (cmp_fn_path),
-		       vec (std::move (self_expr), std::move (other_expr)));
+		       vec (builder.ref (std::move (self_expr)),
+			    builder.ref (std::move (other_expr))));
 }
 
 std::unique_ptr<Item>

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,8 @@ DeriveOrd::cmp_call (std::unique_ptr<Expr> &&self_expr,`
`46`	`46`	`{"core", "cmp", trait (ordering), fn (ordering)}, true);`
`47`	`47`
`48`	`48`	`return builder.call (ptrify (cmp_fn_path),`
`49`		`- vec (std::move (self_expr), std::move (other_expr)));`
	`49`	`+ vec (builder.ref (std::move (self_expr)),`
	`50`	`+ builder.ref (std::move (other_expr))));`
`50`	`51`	`}`
`51`	`52`
`52`	`53`	`std::unique_ptr<Item>`