Function std::intrinsics::mir::CastTransmute

pub fn CastTransmute<T, U>(operand: T) -> U

🔬This is a nightly-only experimental API. (custom_mir)

Emits a CastKind::Transmute cast.

Needed to test the UB when sizeof(T) != sizeof(U), which can’t be generated via the normal mem::transmute.