src/test/ui/lint/clashing-extern-fn.stderr

warning: `clash` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:14:13
   |
LL |             fn clash(x: u8);
   |             ---------------- `clash` previously declared here
...
LL |             fn clash(x: u64);
   |             ^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
note: the lint level is defined here
  --> $DIR/clashing-extern-fn.rs:4:9
   |
LL | #![warn(clashing_extern_declarations)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: expected `unsafe extern "C" fn(u8)`
              found `unsafe extern "C" fn(u64)`

warning: `extern_link_name` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:52:9
   |
LL | /     #[link_name = "extern_link_name"]
LL | |     fn some_new_name(x: i16);
   | |_____________________________- `extern_link_name` previously declared here
...
LL |           fn extern_link_name(x: u32);
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(i16)`
              found `unsafe extern "C" fn(u32)`

warning: `some_other_extern_link_name` redeclares `some_other_new_name` with a different signature
  --> $DIR/clashing-extern-fn.rs:55:9
   |
LL |       fn some_other_new_name(x: i16);
   |       ------------------------------- `some_other_new_name` previously declared here
...
LL | /         #[link_name = "some_other_new_name"]
LL | |
LL | |         fn some_other_extern_link_name(x: u32);
   | |_______________________________________________^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(i16)`
              found `unsafe extern "C" fn(u32)`

warning: `other_both_names_different` redeclares `link_name_same` with a different signature
  --> $DIR/clashing-extern-fn.rs:59:9
   |
LL | /     #[link_name = "link_name_same"]
LL | |     fn both_names_different(x: i16);
   | |____________________________________- `link_name_same` previously declared here
...
LL | /         #[link_name = "link_name_same"]
LL | |
LL | |         fn other_both_names_different(x: u32);
   | |______________________________________________^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(i16)`
              found `unsafe extern "C" fn(u32)`

warning: `different_mod` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:72:9
   |
LL |         fn different_mod(x: u8);
   |         ------------------------ `different_mod` previously declared here
...
LL |         fn different_mod(x: u64);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(u8)`
              found `unsafe extern "C" fn(u64)`

warning: `variadic_decl` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:82:9
   |
LL |     fn variadic_decl(x: u8, ...);
   |     ----------------------------- `variadic_decl` previously declared here
...
LL |         fn variadic_decl(x: u8);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(u8, ...)`
              found `unsafe extern "C" fn(u8)`

warning: `weigh_banana` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:142:13
   |
LL |             fn weigh_banana(count: *const Banana) -> u64;
   |             --------------------------------------------- `weigh_banana` previously declared here
...
LL |             fn weigh_banana(count: *const Banana) -> u64;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(*const banana::one::Banana) -> u64`
              found `unsafe extern "C" fn(*const banana::three::Banana) -> u64`

warning: `draw_point` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:171:13
   |
LL |             fn draw_point(p: Point);
   |             ------------------------ `draw_point` previously declared here
...
LL |             fn draw_point(p: Point);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn(sameish_members::a::Point)`
              found `unsafe extern "C" fn(sameish_members::b::Point)`

warning: `origin` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:194:22
   |
LL |         extern "C" { fn origin() -> Point3; }
   |                      ---------------------- `origin` previously declared here
...
LL |         extern "C" { fn origin() -> Point3; }
   |                      ^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> same_sized_members_clash::a::Point3`
              found `unsafe extern "C" fn() -> same_sized_members_clash::b::Point3`

warning: `transparent_incorrect` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:217:13
   |
LL |             fn transparent_incorrect() -> T;
   |             -------------------------------- `transparent_incorrect` previously declared here
...
LL |             fn transparent_incorrect() -> isize;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> transparent::T`
              found `unsafe extern "C" fn() -> isize`

warning: `missing_return_type` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:235:13
   |
LL |             fn missing_return_type() -> usize;
   |             ---------------------------------- `missing_return_type` previously declared here
...
LL |             fn missing_return_type();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> usize`
              found `unsafe extern "C" fn()`

warning: `non_zero_usize` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:253:13
   |
LL |             fn non_zero_usize() -> core::num::NonZeroUsize;
   |             ----------------------------------------------- `non_zero_usize` previously declared here
...
LL |             fn non_zero_usize() -> usize;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> std::num::NonZeroUsize`
              found `unsafe extern "C" fn() -> usize`

warning: `non_null_ptr` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:255:13
   |
LL |             fn non_null_ptr() -> core::ptr::NonNull<usize>;
   |             ----------------------------------------------- `non_null_ptr` previously declared here
...
LL |             fn non_null_ptr() -> *const usize;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> std::ptr::NonNull<usize>`
              found `unsafe extern "C" fn() -> *const usize`

warning: `option_non_zero_usize_incorrect` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:281:13
   |
LL |             fn option_non_zero_usize_incorrect() -> usize;
   |             ---------------------------------------------- `option_non_zero_usize_incorrect` previously declared here
...
LL |             fn option_non_zero_usize_incorrect() -> isize;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> usize`
              found `unsafe extern "C" fn() -> isize`

warning: `option_non_null_ptr_incorrect` redeclared with a different signature
  --> $DIR/clashing-extern-fn.rs:283:13
   |
LL |             fn option_non_null_ptr_incorrect() -> *const usize;
   |             --------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here
...
LL |             fn option_non_null_ptr_incorrect() -> *const isize;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   |
   = note: expected `unsafe extern "C" fn() -> *const usize`
              found `unsafe extern "C" fn() -> *const isize`

warning: 15 warnings emitted