1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/error-codes/e0119/conflict-with-std.rs b/tests/ui/error-codes/e0119/conflict-with-std.rs
new file mode 100644
index 00000000000..c9db2bab183
--- /dev/null
+++ b/tests/ui/error-codes/e0119/conflict-with-std.rs
@@ -0,0 +1,26 @@
+use std::marker::PhantomData;
+use std::convert::{TryFrom, AsRef};
+
+struct Q;
+impl AsRef<Q> for Box<Q> { //~ ERROR conflicting implementations
+    fn as_ref(&self) -> &Q {
+        &**self
+    }
+}
+
+struct S;
+impl From<S> for S { //~ ERROR conflicting implementations
+    fn from(s: S) -> S {
+        s
+    }
+}
+
+struct X;
+impl TryFrom<X> for X { //~ ERROR conflicting implementations
+    type Error = ();
+    fn try_from(u: X) -> Result<X, ()> {
+        Ok(u)
+    }
+}
+
+fn main() {}