gccrs: derive(Clone): Improve existing testcase

gcc/testsuite/ChangeLog:

	* rust/compile/derive_macro4.rs: Mark Copy and Clone as lang items.

diff --git a/gcc/testsuite/rust/compile/derive_macro4.rs b/gcc/testsuite/rust/compile/derive_macro4.rs
index b20043ba927b1e14a7a22bd57b2839da89dc8e71..8bf1bcaf5f7bf01a3998024e009e19dab51e0d05 100644 (file)
--- 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;
 }