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-rw-r--r--tests/ui/issues/issue-2288.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-2288.rs b/tests/ui/issues/issue-2288.rs
new file mode 100644
index 000000000..6fd690a4d
--- /dev/null
+++ b/tests/ui/issues/issue-2288.rs
@@ -0,0 +1,33 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+trait clam<A> {
+ fn chowder(&self, y: A);
+}
+
+#[derive(Copy, Clone)]
+struct foo<A> {
+ x: A,
+}
+
+impl<A> clam<A> for foo<A> {
+ fn chowder(&self, _y: A) {
+ }
+}
+
+fn foo<A>(b: A) -> foo<A> {
+ foo {
+ x: b
+ }
+}
+
+fn f<A>(x: Box<dyn clam<A>>, a: A) {
+ x.chowder(a);
+}
+
+pub fn main() {
+
+ let c = foo(42);
+ let d: Box<dyn clam<isize>> = Box::new(c) as Box<dyn clam<isize>>;
+ f(d, c.x);
+}