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Transmute with two differently sized types was attempted.
Erroneous code example:
```compile_fail,E0512
fn takes_u8(_: u8) {}
fn main() {
unsafe { takes_u8(::std::mem::transmute(0u16)); }
// error: cannot transmute between types of different sizes,
// or dependently-sized types
}
```
Please use types with same size or use the expected type directly. Example:
```
fn takes_u8(_: u8) {}
fn main() {
unsafe { takes_u8(::std::mem::transmute(0i8)); } // ok!
// or:
unsafe { takes_u8(0u8); } // ok!
}
```
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