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-rw-r--r--tests/ui/issues/issue-45801.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-45801.rs b/tests/ui/issues/issue-45801.rs
new file mode 100644
index 000000000..780baa896
--- /dev/null
+++ b/tests/ui/issues/issue-45801.rs
@@ -0,0 +1,25 @@
+struct Params;
+
+pub trait Plugin<E: ?Sized> {
+ type Error;
+}
+
+pub trait Pluggable {
+ fn get_ref<P: Plugin<Self>>(&mut self) -> Option<P::Error> {
+ None
+ }
+}
+
+struct Foo;
+impl Plugin<Foo> for Params {
+ type Error = ();
+}
+
+impl<T: Copy> Pluggable for T {}
+
+fn handle(req: &mut i32) {
+ req.get_ref::<Params>();
+ //~^ ERROR the trait bound `Params: Plugin<i32>` is not satisfied
+}
+
+fn main() {}