Function validate

crates/fuzzing/src/generators/stacks.rs:427–438

(wasm: &[u8])

    }

    fn validate(wasm: &[u8]) {
        let mut validator = Validator::new();
        let err = match validator.validate_all(wasm) {
            Ok(_) => return,
            Err(e) => e,
        };
        drop(std::fs::write("test.wasm", wasm));
        if let Ok(text) = wasmprinter::print_bytes(wasm) {
            drop(std::fs::write("test.wat", &text));
        }
        panic!("wasm failed to validate: {err}");
    }
}