From caf585c978f43ef0348dcd669af301e7a7e8578b Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sun, 8 Dec 2024 10:34:17 -0800
Subject: [PATCH] Add test of deprecated type in From impl

    error: use of deprecated struct `test_deprecated::DeprecatedStruct`
      --> tests/test_lints.rs:73:13
       |
    73 |             DeprecatedStruct,
       |             ^^^^^^^^^^^^^^^^
       |
    note: the lint level is defined here
      --> tests/test_lints.rs:39:13
       |
    39 |     #![deny(deprecated)]
       |             ^^^^^^^^^^
---
 tests/test_lints.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/test_lints.rs b/tests/test_lints.rs
index b46a391..d272454 100644
--- a/tests/test_lints.rs
+++ b/tests/test_lints.rs
@@ -64,6 +64,16 @@ fn test_deprecated() {
         Variant,
     }
 
+    #[derive(Error, Debug)]
+    pub enum DeprecatedFrom {
+        #[error(transparent)]
+        Variant(
+            #[from]
+            #[allow(deprecated)]
+            DeprecatedStruct,
+        ),
+    }
+
     #[allow(deprecated)]
     let _: DeprecatedStruct;
     #[allow(deprecated)]