diff --git a/src/test/ui/const-generics/issues/issue-80375.rs b/src/test/ui/const-generics/issues/issue-80375.rs
new file mode 100644
index 0000000000000..c906bb2c4d9b4
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-80375.rs
@@ -0,0 +1,4 @@
+struct MyArray<const COUNT: usize>([u8; COUNT + 1]);
+//~^ ERROR generic parameters may not be used in const operations
+
+fn main() {}
diff --git a/src/test/ui/const-generics/issues/issue-80375.stderr b/src/test/ui/const-generics/issues/issue-80375.stderr
new file mode 100644
index 0000000000000..9765a639a48d0
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-80375.stderr
@@ -0,0 +1,11 @@
+error: generic parameters may not be used in const operations
+  --> $DIR/issue-80375.rs:1:41
+   |
+LL | struct MyArray<const COUNT: usize>([u8; COUNT + 1]);
+   |                                         ^^^^^ cannot perform const operation using `COUNT`
+   |
+   = help: const parameters may only be used as standalone arguments, i.e. `COUNT`
+   = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions
+
+error: aborting due to previous error
+