error: calling `mem::discriminant` on non-enum type `&str`
  --> $DIR/mem_discriminant.rs:24:5
   |
24 |     mem::discriminant(&"hello");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/mem_discriminant.rs:11:9
   |
11 | #![deny(clippy::mem_discriminant_non_enum)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: calling `mem::discriminant` on non-enum type `&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:25:5
   |
25 |     mem::discriminant(&&Some(2));
   |     ^^^^^^^^^^^^^^^^^^---------^
   |                       |
   |                       help: try dereferencing: `&Some(2)`

error: calling `mem::discriminant` on non-enum type `&std::option::Option<u8>`
  --> $DIR/mem_discriminant.rs:26:5
   |
26 |     mem::discriminant(&&None::<u8>);
   |     ^^^^^^^^^^^^^^^^^^------------^
   |                       |
   |                       help: try dereferencing: `&None::<u8>`

error: calling `mem::discriminant` on non-enum type `&Foo`
  --> $DIR/mem_discriminant.rs:27:5
   |
27 |     mem::discriminant(&&Foo::One(5));
   |     ^^^^^^^^^^^^^^^^^^-------------^
   |                       |
   |                       help: try dereferencing: `&Foo::One(5)`

error: calling `mem::discriminant` on non-enum type `&Foo`
  --> $DIR/mem_discriminant.rs:28:5
   |
28 |     mem::discriminant(&&Foo::Two(5));
   |     ^^^^^^^^^^^^^^^^^^-------------^
   |                       |
   |                       help: try dereferencing: `&Foo::Two(5)`

error: calling `mem::discriminant` on non-enum type `A`
  --> $DIR/mem_discriminant.rs:29:5
   |
29 |     mem::discriminant(&A(Foo::One(0)));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: calling `mem::discriminant` on non-enum type `&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:33:5
   |
33 |     mem::discriminant(&ro);
   |     ^^^^^^^^^^^^^^^^^^---^
   |                       |
   |                       help: try dereferencing: `ro`

error: calling `mem::discriminant` on non-enum type `&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:34:5
   |
34 |     mem::discriminant(rro);
   |     ^^^^^^^^^^^^^^^^^^---^
   |                       |
   |                       help: try dereferencing: `*rro`

error: calling `mem::discriminant` on non-enum type `&&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:35:5
   |
35 |     mem::discriminant(&rro);
   |     ^^^^^^^^^^^^^^^^^^----^
   |                       |
   |                       help: try dereferencing: `*rro`

error: calling `mem::discriminant` on non-enum type `&&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:38:27
   |
38 |         ($param:expr) => (mem::discriminant($param))
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
...
41 |     mem_discriminant_but_in_a_macro!(&rro);
   |     ---------------------------------------
   |     |                                |
   |     |                                help: try dereferencing: `*rro`
   |     in this macro invocation

error: calling `mem::discriminant` on non-enum type `&&&&&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:44:5
   |
44 |     mem::discriminant(&rrrrro);
   |     ^^^^^^^^^^^^^^^^^^-------^
   |                       |
   |                       help: try dereferencing: `****rrrrro`

error: calling `mem::discriminant` on non-enum type `&&&std::option::Option<i32>`
  --> $DIR/mem_discriminant.rs:45:5
   |
45 |     mem::discriminant(*rrrrro);
   |     ^^^^^^^^^^^^^^^^^^-------^
   |                       |
   |                       help: try dereferencing: `****rrrrro`

error: aborting due to 12 previous errors