1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval-array-len-in-impl.rs b/tests/ui/consts/const-eval-array-len-in-impl.rs
new file mode 100644
index 00000000000..6c545913dd9
--- /dev/null
+++ b/tests/ui/consts/const-eval-array-len-in-impl.rs
@@ -0,0 +1,13 @@
+// https://github.com/rust-lang/rust/issues/49208
+
+trait Foo {
+    fn foo();
+}
+
+impl Foo for [(); 1] {
+    fn foo() {}
+}
+
+fn main() {
+    <[(); 0] as Foo>::foo() //~ ERROR E0277
+}