rust-clippy/tests/ui/transmute.stderr

error: transmute from a type (`&'a T`) to itself
  --> $DIR/transmute.rs:22:20
   |
22 |     let _: &'a T = core::intrinsics::transmute(t);
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/transmute.rs:20:8
   |
20 | #[deny(useless_transmute)]
   |        ^^^^^^^^^^^^^^^^^

error: transmute from a reference to a pointer
  --> $DIR/transmute.rs:26:23
   |
26 |     let _: *const T = core::intrinsics::transmute(t);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T`

error: transmute from a reference to a pointer
  --> $DIR/transmute.rs:28:21
   |
28 |     let _: *mut T = core::intrinsics::transmute(t);
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *mut T`

error: transmute from a reference to a pointer
  --> $DIR/transmute.rs:30:23
   |
30 |     let _: *const U = core::intrinsics::transmute(t);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *const U`

error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
  --> $DIR/transmute.rs:35:17
   |
35 |     let _: &T = std::mem::transmute(p);
   |                 ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*p`
   |
note: lint level defined here
  --> $DIR/transmute.rs:33:8
   |
33 | #[deny(transmute_ptr_to_ref)]
   |        ^^^^^^^^^^^^^^^^^^^^

error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
  --> $DIR/transmute.rs:38:21
   |
38 |     let _: &mut T = std::mem::transmute(m);
   |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *m`

error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
  --> $DIR/transmute.rs:41:17
   |
41 |     let _: &T = std::mem::transmute(m);
   |                 ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*m`

error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
  --> $DIR/transmute.rs:44:21
   |
44 |     let _: &mut T = std::mem::transmute(p as *mut T);
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(p as *mut T)`

error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
  --> $DIR/transmute.rs:47:17
   |
47 |     let _: &T = std::mem::transmute(o);
   |                 ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(o as *const T)`

error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
  --> $DIR/transmute.rs:50:21
   |
50 |     let _: &mut T = std::mem::transmute(om);
   |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(om as *mut T)`

error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
  --> $DIR/transmute.rs:53:17
   |
53 |     let _: &T = std::mem::transmute(om);
   |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(om as *const T)`

error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
  --> $DIR/transmute.rs:64:32
   |
64 |     let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<_>)`
   |
note: lint level defined here
  --> $DIR/transmute.rs:57:8
   |
57 | #[deny(transmute_ptr_to_ref)]
   |        ^^^^^^^^^^^^^^^^^^^^

error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
  --> $DIR/transmute.rs:66:33
   |
66 |     let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<&_>)`

error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
  --> $DIR/transmute.rs:70:14
   |
70 |     unsafe { std::mem::transmute::<_, Bar>(raw) };
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const u8)`

error: transmute from a type (`std::vec::Vec<i32>`) to itself
  --> $DIR/transmute.rs:76:27
   |
76 |         let _: Vec<i32> = core::intrinsics::transmute(my_vec());
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/transmute.rs:73:8
   |
73 | #[deny(useless_transmute)]
   |        ^^^^^^^^^^^^^^^^^

error: transmute from a type (`std::vec::Vec<i32>`) to itself
  --> $DIR/transmute.rs:78:27
   |
78 |         let _: Vec<i32> = core::mem::transmute(my_vec());
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`std::vec::Vec<i32>`) to itself
  --> $DIR/transmute.rs:80:27
   |
80 |         let _: Vec<i32> = std::intrinsics::transmute(my_vec());
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`std::vec::Vec<i32>`) to itself
  --> $DIR/transmute.rs:82:27
   |
82 |         let _: Vec<i32> = std::mem::transmute(my_vec());
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`std::vec::Vec<i32>`) to itself
  --> $DIR/transmute.rs:84:27
   |
84 |         let _: Vec<i32> = my_transmute(my_vec());
   |                           ^^^^^^^^^^^^^^^^^^^^^^

error: transmute from an integer to a pointer
  --> $DIR/transmute.rs:92:31
   |
92 |         let _: *const usize = std::mem::transmute(5_isize);
   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `5_isize as *const usize`

error: transmute from an integer to a pointer
  --> $DIR/transmute.rs:96:31
   |
96 |         let _: *const usize = std::mem::transmute(1+1usize);
   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `(1+1usize) as *const usize`

error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
   --> $DIR/transmute.rs:111:24
    |
111 |         let _: Usize = core::intrinsics::transmute(int_const_ptr);
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
note: lint level defined here
   --> $DIR/transmute.rs:104:8
    |
104 | #[deny(crosspointer_transmute)]
    |        ^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
   --> $DIR/transmute.rs:113:24
    |
113 |         let _: Usize = core::intrinsics::transmute(int_mut_ptr);
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
   --> $DIR/transmute.rs:115:31
    |
115 |         let _: *const Usize = core::intrinsics::transmute(my_int());
    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
   --> $DIR/transmute.rs:117:29
    |
117 |         let _: *mut Usize = core::intrinsics::transmute(my_int());
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 25 previous errors