// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // run-pass // ignore-x86 // ignore-arm // ignore-emscripten // ^ ignore 32-bit targets, as the error message is target-dependent. see PR #41968. #![warn(variant_size_differences)] #![allow(dead_code)] // Note that the following test works because all fields of the enum variants are of the same size. // If this test is modified and the reordering logic in librustc/ty/layout.rs kicks in, it fails. enum Enum1 { } enum Enum2 { A, B, C } enum Enum3 { D(isize), E, F } enum Enum4 { H(isize), I(isize), J } enum Enum5 { L(isize, isize, isize, isize), //~ WARNING three times larger M(isize), N } enum Enum6 { O(T), P(U), Q(isize) } #[allow(variant_size_differences)] enum Enum7 { R(isize, isize, isize, isize), S(isize), T } pub fn main() { }