1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/traits/negative-impls/negative-impl-normalizes-to.rs b/tests/ui/traits/negative-impls/negative-impl-normalizes-to.rs
new file mode 100644
index 00000000000..998b0d0c458
--- /dev/null
+++ b/tests/ui/traits/negative-impls/negative-impl-normalizes-to.rs
@@ -0,0 +1,22 @@
+//@ revisions: current next
+//@[next] compile-flags: -Znext-solver
+//@ check-pass
+
+// Check that negative impls for traits with associated types
+// do not result in an ICE when trying to normalize.
+#![feature(negative_impls)]
+trait Trait {
+    type Assoc;
+}
+
+struct Local<T>(T);
+impl !Trait for Local<u32> {}
+impl Trait for Local<i32> {
+    type Assoc = i32;
+}
+
+trait NoOverlap {}
+impl<T: Trait<Assoc = u32>> NoOverlap for T {}
+impl<T> NoOverlap for Local<T> {}
+
+fn main() {}