1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/attributes/invalid-attributes-on-const-params-78957.rs b/tests/ui/attributes/invalid-attributes-on-const-params-78957.rs
new file mode 100644
index 00000000000..106b9ae2690
--- /dev/null
+++ b/tests/ui/attributes/invalid-attributes-on-const-params-78957.rs
@@ -0,0 +1,30 @@
+// https://github.com/rust-lang/rust/issues/78957
+#![deny(unused_attributes)]
+
+use std::marker::PhantomData;
+
+pub struct Foo<#[inline] const N: usize>;
+//~^ ERROR attribute cannot be used on
+pub struct Bar<#[cold] const N: usize>;
+//~^ ERROR attribute cannot be used on
+//~| WARN previously accepted
+pub struct Baz<#[repr(C)] const N: usize>;
+//~^ ERROR attribute should be applied to a struct, enum, or union
+//
+pub struct Foo2<#[inline] 'a>(PhantomData<&'a ()>);
+//~^ ERROR attribute cannot be used on
+pub struct Bar2<#[cold] 'a>(PhantomData<&'a ()>);
+//~^ ERROR attribute cannot be used on
+//~| WARN previously accepted
+pub struct Baz2<#[repr(C)] 'a>(PhantomData<&'a ()>);
+//~^ ERROR attribute should be applied to a struct, enum, or union
+//
+pub struct Foo3<#[inline] T>(PhantomData<T>);
+//~^ ERROR attribute cannot be used on
+pub struct Bar3<#[cold] T>(PhantomData<T>);
+//~^ ERROR attribute cannot be used on
+//~| WARN previously accepted
+pub struct Baz3<#[repr(C)] T>(PhantomData<T>);
+//~^ ERROR attribute should be applied to a struct, enum, or union
+
+fn main() {}