]> git.lizzy.rs Git - rust.git/blobdiff - tests/ui/auxiliary/proc_macro_derive.rs
Auto merge of #81135 - jyn514:no-backticks, r=flip1995
[rust.git] / tests / ui / auxiliary / proc_macro_derive.rs
index 08b993173029dd69da27acafc6ef2fcaff1faae4..24891682d368d0bfa2f167f88512040928442dab 100644 (file)
@@ -1,7 +1,11 @@
+// compile-flags: --emit=link
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]
-#![feature(repr128, proc_macro_hygiene, proc_macro_quote)]
+#![feature(repr128, proc_macro_quote)]
+#![allow(incomplete_features)]
+#![allow(clippy::field_reassign_with_default)]
+#![allow(clippy::eq_op)]
 
 extern crate proc_macro;
 
@@ -16,7 +20,24 @@ pub fn derive(_: TokenStream) -> TokenStream {
     let output = quote! {
         // Should not trigger `useless_attribute`
         #[allow(dead_code)]
-        extern crate clippy_lints;
+        extern crate rustc_middle;
     };
     output
 }
+
+#[proc_macro_derive(FieldReassignWithDefault)]
+pub fn derive_foo(_input: TokenStream) -> TokenStream {
+    quote! {
+        #[derive(Default)]
+        struct A {
+            pub i: i32,
+            pub j: i64,
+        }
+        #[automatically_derived]
+        fn lint() {
+            let mut a: A = Default::default();
+            a.i = 42;
+            a;
+        }
+    }
+}