Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/ui/lint/unused_import_warning_issue_45268.rs b/tests/ui/lint/unused_import_warning_issue_45268.rs
new file mode 100644
index 000000000..5ae482863
--- /dev/null
+++ b/tests/ui/lint/unused_import_warning_issue_45268.rs
@@ -0,0 +1,49 @@
+// check-pass
+
+#![warn(unused_imports)] // Warning explanation here, it's OK
+
+mod test {
+    pub trait A {
+        fn a();
+    }
+
+    impl A for () {
+        fn a() { }
+    }
+
+    pub trait B {
+        fn b(self);
+    }
+
+    impl B for () {
+        fn b(self) { }
+    }
+
+    pub trait Unused {
+    }
+}
+
+use test::Unused;   // This is really unused, so warning is OK
+                    //~^ WARNING unused import
+use test::A;        // This is used by the test2::func() through import of super::*
+use test::B;        // This is used by the test2::func() through import of super::*
+
+mod test2 {
+    use super::*;
+    pub fn func() {
+        let _ = <()>::a();
+        let _ = ().b();
+        test3::inner_func();
+    }
+    mod test3 {
+        use super::*;
+        pub fn inner_func() {
+            let _ = <()>::a();
+            let _ = ().b();
+        }
+    }
+}
+
+fn main() {
+    test2::func();
+}