Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/shadow.rs b/src/tools/clippy/tests/ui/shadow.rs
index 1fa9fc749..2c0fc3e3f 100644
--- a/src/tools/clippy/tests/ui/shadow.rs
+++ b/src/tools/clippy/tests/ui/shadow.rs
@@ -1,6 +1,19 @@
+//@aux-build:proc_macro_derive.rs
+
 #![warn(clippy::shadow_same, clippy::shadow_reuse, clippy::shadow_unrelated)]
 #![allow(clippy::let_unit_value)]
 
+extern crate proc_macro_derive;
+
+#[derive(proc_macro_derive::ShadowDerive)]
+pub struct Nothing;
+
+macro_rules! reuse {
+    ($v:ident) => {
+        let $v = $v + 1;
+    };
+}
+
 fn shadow_same() {
     let x = 1;
     let x = x;
@@ -26,6 +39,12 @@ fn shadow_reuse() -> Option<()> {
     None
 }
 
+fn shadow_reuse_macro() {
+    let x = 1;
+    // this should not warn
+    reuse!(x);
+}
+
 fn shadow_unrelated() {
     let x = 1;
     let x = 2;