52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Issue #5041 - avoid overlapping memcpy when src and dest of a swap are the same
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// pretty-expanded FIXME #23616
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use std::ptr;
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pub fn main() {
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let mut test = TestDescAndFn {
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desc: TestDesc {
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name: TestName::DynTestName("test".to_string()),
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should_fail: false
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},
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testfn: TestFn::DynTestFn(22),
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};
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do_swap(&mut test);
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}
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fn do_swap(test: &mut TestDescAndFn) {
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unsafe {
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ptr::swap(test, test);
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}
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}
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pub enum TestName {
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DynTestName(String)
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}
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pub enum TestFn {
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DynTestFn(isize),
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DynBenchFn(isize),
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}
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pub struct TestDesc {
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name: TestName,
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should_fail: bool
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}
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pub struct TestDescAndFn {
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desc: TestDesc,
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testfn: TestFn,
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}
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