error: macros cannot have const stability attributes
  --> $DIR/const-stability-on-macro.rs:4:1
   |
LL | #[rustc_const_stable(feature = "foo", since = "0")]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid const stability attribute
LL |
LL | macro_rules! foo {
   | ---------------- const stability attribute affects this macro

error: macros cannot have const stability attributes
  --> $DIR/const-stability-on-macro.rs:10:1
   |
LL | #[rustc_const_unstable(feature = "bar", issue="none")]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid const stability attribute
LL |
LL | macro_rules! bar {
   | ---------------- const stability attribute affects this macro

error: aborting due to 2 previous errors