From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/swap-overlapping.rs | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/ui/swap-overlapping.rs (limited to 'tests/ui/swap-overlapping.rs') diff --git a/tests/ui/swap-overlapping.rs b/tests/ui/swap-overlapping.rs new file mode 100644 index 000000000..85b357e0c --- /dev/null +++ b/tests/ui/swap-overlapping.rs @@ -0,0 +1,44 @@ +// run-pass + +#![allow(dead_code)] +// Issue #5041 - avoid overlapping memcpy when src and dest of a swap are the same + +// pretty-expanded FIXME #23616 + +use std::ptr; + +pub fn main() { + let mut test = TestDescAndFn { + desc: TestDesc { + name: TestName::DynTestName("test".to_string()), + should_fail: false + }, + testfn: TestFn::DynTestFn(22), + }; + do_swap(&mut test); +} + +fn do_swap(test: &mut TestDescAndFn) { + unsafe { + ptr::swap(test, test); + } +} + +pub enum TestName { + DynTestName(String) +} + +pub enum TestFn { + DynTestFn(isize), + DynBenchFn(isize), +} + +pub struct TestDesc { + name: TestName, + should_fail: bool +} + +pub struct TestDescAndFn { + desc: TestDesc, + testfn: TestFn, +} -- cgit v1.2.3