1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_const_exprs/unused_expr.rs b/tests/ui/const-generics/generic_const_exprs/unused_expr.rs
new file mode 100644
index 00000000000..c1bf19e0f8d
--- /dev/null
+++ b/tests/ui/const-generics/generic_const_exprs/unused_expr.rs
@@ -0,0 +1,25 @@
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+fn add<const N: usize>() -> [u8; { N + 1; 5 }] {
+    //~^ ERROR overly complex generic constant
+    todo!()
+}
+
+fn div<const N: usize>() -> [u8; { N / 1; 5 }] {
+    //~^ ERROR overly complex generic constant
+    todo!()
+}
+
+const fn foo(n: usize) {}
+
+fn fn_call<const N: usize>() -> [u8; { foo(N); 5 }] {
+    //~^ ERROR overly complex generic constant
+    todo!()
+}
+
+fn main() {
+    add::<12>();
+    div::<9>();
+    fn_call::<14>();
+}