1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/consts/issue-70942-trait-vs-impl-mismatch.rs b/tests/ui/consts/issue-70942-trait-vs-impl-mismatch.rs
new file mode 100644
index 000000000..b65f53450
--- /dev/null
+++ b/tests/ui/consts/issue-70942-trait-vs-impl-mismatch.rs
@@ -0,0 +1,14 @@
+trait Nat {
+    const VALUE: usize;
+}
+
+struct Zero;
+
+impl Nat for Zero {
+    const VALUE: i32 = 0;
+    //~^ ERROR implemented const `VALUE` has an incompatible type for trait
+}
+
+fn main() {
+    let _: [i32; Zero::VALUE] = [];
+}