// MIR for `f_u64` after PreCodegen fn f_u64() -> () { let mut _0: (); scope 1 (inlined f_dispatch::) { debug t => const 0_u64; let _1: (); scope 2 (inlined std::mem::size_of::) { } } bb0: { _1 = f_non_zst::(const 0_u64) -> [return: bb1, unwind unreachable]; } bb1: { return; } }