Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / traits / inheritance / auto-xc-2.rs

diff --git a/src/test/ui/traits/inheritance/auto-xc-2.rs b/src/test/ui/traits/inheritance/auto-xc-2.rs
new file mode 100644 (file)
index 0000000..f213022
--- /dev/null
+++ b/src/test/ui/traits/inheritance/auto-xc-2.rs
@@ -0,0 +1,23 @@
+// run-pass
+// aux-build:auto_xc_2.rs
+
+
+extern crate auto_xc_2 as aux;
+
+// aux defines impls of Foo, Bar and Baz for A
+use aux::{Foo, Bar, Baz, A};
+
+// We want to extend all Foo, Bar, Bazes to Quuxes
+pub trait Quux: Foo + Bar + Baz { }
+impl<T:Foo + Bar + Baz> Quux for T { }
+
+fn f<T:Quux>(a: &T) {
+    assert_eq!(a.f(), 10);
+    assert_eq!(a.g(), 20);
+    assert_eq!(a.h(), 30);
+}
+
+pub fn main() {
+    let a = &A { x: 3 };
+    f(a);
+}