Test if #[allow] works

Author: sinkuu

tests/ui/identity_conversion.rs

@@ -28,6 +28,11 @@ fn main() {
     let _: String = "foo".into();
     let _: String = From::from("foo");
     let _ = String::from("foo");
+    #[allow(identity_conversion)]
+    {
+        let _: String = "foo".into();
+        let _ = String::from("foo");
+    }
 
     let _: String = "foo".to_string().into();
     let _: String = From::from("foo".to_string());

tests/ui/identity_conversion.stderr

@@ -23,20 +23,20 @@ error: identical conversion
    |                      ^^^^^^^^^^^ help: consider removing `.into()`: `0i32`
 
 error: identical conversion
-  --> $DIR/identity_conversion.rs:32:21
+  --> $DIR/identity_conversion.rs:37:21
    |
-32 |     let _: String = "foo".to_string().into();
+37 |     let _: String = "foo".to_string().into();
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"foo".to_string()`
 
 error: identical conversion
-  --> $DIR/identity_conversion.rs:33:21
+  --> $DIR/identity_conversion.rs:38:21
    |
-33 |     let _: String = From::from("foo".to_string());
+38 |     let _: String = From::from("foo".to_string());
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `From::from()`: `"foo".to_string()`
 
 error: identical conversion
-  --> $DIR/identity_conversion.rs:34:13
+  --> $DIR/identity_conversion.rs:39:13
    |
-34 |     let _ = String::from("foo".to_string());
+39 |     let _ = String::from("foo".to_string());
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `"foo".to_string()`