1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/unevaluated_fixed_size_array_len.rs b/src/test/ui/unevaluated_fixed_size_array_len.rs
new file mode 100644
index 000000000..6c545913d
--- /dev/null
+++ b/src/test/ui/unevaluated_fixed_size_array_len.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
+}