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

   1 warning: `clash` redeclared with a different signature
   2   --> $DIR/clashing-extern-fn.rs:14:13
   3    |
   4 LL |             fn clash(x: u8);
   5    |             ---------------- `clash` previously declared here
   6 ...
   7 LL |             fn clash(x: u64);
   8    |             ^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
   9    |
  10 note: the lint level is defined here
  11   --> $DIR/clashing-extern-fn.rs:4:9
  12    |
  13 LL | #![warn(clashing_extern_declarations)]
  14    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  15    = note: expected `unsafe extern "C" fn(u8)`
  16               found `unsafe extern "C" fn(u64)`
  17
  18 warning: `extern_link_name` redeclared with a different signature
  19   --> $DIR/clashing-extern-fn.rs:52:9
  20    |
  21 LL | /     #[link_name = "extern_link_name"]
  22 LL | |     fn some_new_name(x: i16);
  23    | |_____________________________- `extern_link_name` previously declared here
  24 ...
  25 LL |           fn extern_link_name(x: u32);
  26    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
  27    |
  28    = note: expected `unsafe extern "C" fn(i16)`
  29               found `unsafe extern "C" fn(u32)`
  30
  31 warning: `some_other_extern_link_name` redeclares `some_other_new_name` with a different signature
  32   --> $DIR/clashing-extern-fn.rs:55:9
  33    |
  34 LL |       fn some_other_new_name(x: i16);
  35    |       ------------------------------- `some_other_new_name` previously declared here
  36 ...
  37 LL | /         #[link_name = "some_other_new_name"]
  38 LL | |
  39 LL | |         fn some_other_extern_link_name(x: u32);
  40    | |_______________________________________________^ this signature doesn't match the previous declaration
  41    |
  42    = note: expected `unsafe extern "C" fn(i16)`
  43               found `unsafe extern "C" fn(u32)`
  44
  45 warning: `other_both_names_different` redeclares `link_name_same` with a different signature
  46   --> $DIR/clashing-extern-fn.rs:59:9
  47    |
  48 LL | /     #[link_name = "link_name_same"]
  49 LL | |     fn both_names_different(x: i16);
  50    | |____________________________________- `link_name_same` previously declared here
  51 ...
  52 LL | /         #[link_name = "link_name_same"]
  53 LL | |
  54 LL | |         fn other_both_names_different(x: u32);
  55    | |______________________________________________^ this signature doesn't match the previous declaration
  56    |
  57    = note: expected `unsafe extern "C" fn(i16)`
  58               found `unsafe extern "C" fn(u32)`
  59
  60 warning: `different_mod` redeclared with a different signature
  61   --> $DIR/clashing-extern-fn.rs:72:9
  62    |
  63 LL |         fn different_mod(x: u8);
  64    |         ------------------------ `different_mod` previously declared here
  65 ...
  66 LL |         fn different_mod(x: u64);
  67    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
  68    |
  69    = note: expected `unsafe extern "C" fn(u8)`
  70               found `unsafe extern "C" fn(u64)`
  71
  72 warning: `variadic_decl` redeclared with a different signature
  73   --> $DIR/clashing-extern-fn.rs:82:9
  74    |
  75 LL |     fn variadic_decl(x: u8, ...);
  76    |     ----------------------------- `variadic_decl` previously declared here
  77 ...
  78 LL |         fn variadic_decl(x: u8);
  79    |         ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
  80    |
  81    = note: expected `unsafe extern "C" fn(u8, ...)`
  82               found `unsafe extern "C" fn(u8)`
  83
  84 warning: `weigh_banana` redeclared with a different signature
  85   --> $DIR/clashing-extern-fn.rs:142:13
  86    |
  87 LL |             fn weigh_banana(count: *const Banana) -> u64;
  88    |             --------------------------------------------- `weigh_banana` previously declared here
  89 ...
  90 LL |             fn weigh_banana(count: *const Banana) -> u64;
  91    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
  92    |
  93    = note: expected `unsafe extern "C" fn(*const banana::one::Banana) -> u64`
  94               found `unsafe extern "C" fn(*const banana::three::Banana) -> u64`
  95
  96 warning: `draw_point` redeclared with a different signature
  97   --> $DIR/clashing-extern-fn.rs:171:13
  98    |
  99 LL |             fn draw_point(p: Point);
 100    |             ------------------------ `draw_point` previously declared here
 101 ...
 102 LL |             fn draw_point(p: Point);
 103    |             ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 104    |
 105    = note: expected `unsafe extern "C" fn(sameish_members::a::Point)`
 106               found `unsafe extern "C" fn(sameish_members::b::Point)`
 107
 108 warning: `transparent_incorrect` redeclared with a different signature
 109   --> $DIR/clashing-extern-fn.rs:195:13
 110    |
 111 LL |             fn transparent_incorrect() -> T;
 112    |             -------------------------------- `transparent_incorrect` previously declared here
 113 ...
 114 LL |             fn transparent_incorrect() -> isize;
 115    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 116    |
 117    = note: expected `unsafe extern "C" fn() -> transparent::T`
 118               found `unsafe extern "C" fn() -> isize`
 119
 120 warning: `missing_return_type` redeclared with a different signature
 121   --> $DIR/clashing-extern-fn.rs:213:13
 122    |
 123 LL |             fn missing_return_type() -> usize;
 124    |             ---------------------------------- `missing_return_type` previously declared here
 125 ...
 126 LL |             fn missing_return_type();
 127    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 128    |
 129    = note: expected `unsafe extern "C" fn() -> usize`
 130               found `unsafe extern "C" fn()`
 131
 132 warning: `non_zero_usize` redeclared with a different signature
 133   --> $DIR/clashing-extern-fn.rs:231:13
 134    |
 135 LL |             fn non_zero_usize() -> core::num::NonZeroUsize;
 136    |             ----------------------------------------------- `non_zero_usize` previously declared here
 137 ...
 138 LL |             fn non_zero_usize() -> usize;
 139    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 140    |
 141    = note: expected `unsafe extern "C" fn() -> std::num::NonZeroUsize`
 142               found `unsafe extern "C" fn() -> usize`
 143
 144 warning: `non_null_ptr` redeclared with a different signature
 145   --> $DIR/clashing-extern-fn.rs:233:13
 146    |
 147 LL |             fn non_null_ptr() -> core::ptr::NonNull<usize>;
 148    |             ----------------------------------------------- `non_null_ptr` previously declared here
 149 ...
 150 LL |             fn non_null_ptr() -> *const usize;
 151    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 152    |
 153    = note: expected `unsafe extern "C" fn() -> std::ptr::NonNull<usize>`
 154               found `unsafe extern "C" fn() -> *const usize`
 155
 156 warning: `option_non_zero_usize_incorrect` redeclared with a different signature
 157   --> $DIR/clashing-extern-fn.rs:259:13
 158    |
 159 LL |             fn option_non_zero_usize_incorrect() -> usize;
 160    |             ---------------------------------------------- `option_non_zero_usize_incorrect` previously declared here
 161 ...
 162 LL |             fn option_non_zero_usize_incorrect() -> isize;
 163    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 164    |
 165    = note: expected `unsafe extern "C" fn() -> usize`
 166               found `unsafe extern "C" fn() -> isize`
 167
 168 warning: `option_non_null_ptr_incorrect` redeclared with a different signature
 169   --> $DIR/clashing-extern-fn.rs:261:13
 170    |
 171 LL |             fn option_non_null_ptr_incorrect() -> *const usize;
 172    |             --------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here
 173 ...
 174 LL |             fn option_non_null_ptr_incorrect() -> *const isize;
 175    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
 176    |
 177    = note: expected `unsafe extern "C" fn() -> *const usize`
 178               found `unsafe extern "C" fn() -> *const isize`
 179
 180 warning: 14 warnings emitted
 181