1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/unevaluated-const-impl-trait-ref.rs b/tests/ui/traits/new-solver/unevaluated-const-impl-trait-ref.rs
new file mode 100644
index 000000000..26c595bc9
--- /dev/null
+++ b/tests/ui/traits/new-solver/unevaluated-const-impl-trait-ref.rs
@@ -0,0 +1,22 @@
+// compile-flags: -Ztrait-solver=next
+// revisions: works fails
+//[works] check-pass
+
+trait Trait<const N: usize> {}
+
+impl Trait<{ 1 - 1 }> for () {}
+impl Trait<{ 1 + 1 }> for () {}
+
+fn needs<const N: usize>() where (): Trait<N> {}
+
+#[cfg(works)]
+fn main() {
+    needs::<0>();
+    needs::<2>();
+}
+
+#[cfg(fails)]
+fn main() {
+    needs::<1>();
+    //[fails]~^ ERROR the trait bound `(): Trait<1>` is not satisfied
+}