15     data: &mut [u8],  in wasm_mutate()
19     libfuzzer_mutate: fn(data: &mut [u8], size: usize, max_size: usize) -> usize,  in wasm_mutate()
24     let wasm = &data[..size];  in wasm_mutate()
32             .raw_mutate_func(Some(Arc::new(move |data, max_size| {  in wasm_mutate()
33                 let len = data.len();  in wasm_mutate()
46                     data.resize(max_size, 0);  in wasm_mutate()
50                 let new_len = libfuzzer_mutate(data, len, max_size);  in wasm_mutate()
54                 data.resize(new_len, 0);  in wasm_mutate()
55                 data.shrink_to_fit();  in wasm_mutate()
66                         data[..mutated_wasm.len()].copy_from_slice(&mutated_wasm);  in wasm_mutate()
77     let mut u = Unstructured::new(&data[..max_size]);  in wasm_mutate()
81             data[..wasm.len()].copy_from_slice(&wasm);  in wasm_mutate()
93         data[..EMPTY_WASM.len()].copy_from_slice(EMPTY_WASM);  in wasm_mutate()
99     libfuzzer_mutate(data, size, max_size)  in wasm_mutate()