tests/ui/lint/fn-ptr-comparisons.stderr

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:25:13
   |
LL |     let _ = f == a;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
   = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = f == a;
LL +     let _ = std::ptr::fn_addr_eq(f, a as fn());
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:27:13
   |
LL |     let _ = f != a;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = f != a;
LL +     let _ = !std::ptr::fn_addr_eq(f, a as fn());
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:29:13
   |
LL |     let _ = f == g;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = f == g;
LL +     let _ = std::ptr::fn_addr_eq(f, g);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:31:13
   |
LL |     let _ = f == f;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = f == f;
LL +     let _ = std::ptr::fn_addr_eq(f, f);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:33:13
   |
LL |     let _ = g == g;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = g == g;
LL +     let _ = std::ptr::fn_addr_eq(g, g);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:35:13
   |
LL |     let _ = g == g;
   |             ^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = g == g;
LL +     let _ = std::ptr::fn_addr_eq(g, g);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:37:13
   |
LL |     let _ = &g == &g;
   |             ^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = &g == &g;
LL +     let _ = std::ptr::fn_addr_eq(g, g);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:39:13
   |
LL |     let _ = a as fn() == g;
   |             ^^^^^^^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = a as fn() == g;
LL +     let _ = std::ptr::fn_addr_eq(a as fn(), g);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:43:13
   |
LL |     let _ = cfn == c;
   |             ^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = cfn == c;
LL +     let _ = std::ptr::fn_addr_eq(cfn, c as extern "C" fn());
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:47:13
   |
LL |     let _ = argsfn == args;
   |             ^^^^^^^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = argsfn == args;
LL +     let _ = std::ptr::fn_addr_eq(argsfn, args as extern "C" fn(i32) -> i32);
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:51:13
   |
LL |     let _ = t == test;
   |             ^^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = t == test;
LL +     let _ = std::ptr::fn_addr_eq(t, test as unsafe extern "C" fn());
   |

warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
  --> $DIR/fn-ptr-comparisons.rs:54:13
   |
LL |     let _ = a1.f == a2.f;
   |             ^^^^^^^^^^^^
   |
   = note: the address of the same function can vary between different codegen units
   = note: furthermore, different functions could have the same address after being merged together
   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
   |
LL -     let _ = a1.f == a2.f;
LL +     let _ = std::ptr::fn_addr_eq(a1.f, a2.f);
   |

warning: 12 warnings emitted