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2667d853a6
Improve `invalid_reference_casting` lint This PR improves the `invalid_reference_casting` lint: - by considering an unlimited number of casts instead only const to mut ptr - by also considering ptr-to-integer and integer-to-ptr casts - by also taking into account [`ptr::cast`](https://doc.rust-lang.org/std/primitive.pointer.html#method.cast), [`ptr::cast`](https://doc.rust-lang.org/std/primitive.pointer.html#method.cast-1) and [`ptr::cast_const`](https://doc.rust-lang.org/std/primitive.pointer.html#method.cast_const) Most of this improvements comes from skimming Github Code Search result for [`&mut \*.*as \*const`](https://github.com/search?q=lang%3Arust+%2F%26mut+%5C*.*as+%5C*const%2F&type=code) r? ``@est31`` (maybe) |
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