1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/coherence/negative-coherence-check-placeholder-outlives.rs b/tests/ui/coherence/negative-coherence-check-placeholder-outlives.rs
new file mode 100644
index 000000000..5d8beb451
--- /dev/null
+++ b/tests/ui/coherence/negative-coherence-check-placeholder-outlives.rs
@@ -0,0 +1,14 @@
+#![feature(negative_impls)]
+#![feature(with_negative_coherence)]
+
+struct Wrap<T>(T);
+
+trait Foo {}
+impl<T: 'static> !Foo for Box<T> {}
+
+trait Bar {}
+impl<T> Bar for T where T: Foo {}
+impl<T> Bar for Box<T> {}
+//~^ ERROR conflicting implementations of trait `Bar` for type `Box<_>`
+
+fn main() {}