[COMMITTED 140/146] gccrs: derive(Clone): Improve existing testcase

[arthur . cohen]

From: Arthur Cohen <arthur.co...@embecosm.com>

gcc/testsuite/ChangeLog:

        * rust/compile/derive_macro4.rs: Mark Copy and Clone as lang items.
---
 gcc/testsuite/rust/compile/derive_macro4.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/testsuite/rust/compile/derive_macro4.rs 
b/gcc/testsuite/rust/compile/derive_macro4.rs
index b20043ba927..8bf1bcaf5f7 100644
--- a/gcc/testsuite/rust/compile/derive_macro4.rs
+++ b/gcc/testsuite/rust/compile/derive_macro4.rs
@@ -1,7 +1,10 @@
 #[lang = "sized"]
 pub trait Sized {}
 
+#[lang = "copy"]
 pub trait Copy {}
+
+#[lang = "clone"]
 pub trait Clone {
     fn clone(&self) -> Self;
 }
-- 
2.45.2