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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/swap-overlapping.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/swap-overlapping.rs')
-rw-r--r-- | tests/ui/swap-overlapping.rs | 44 |
1 files changed, 44 insertions, 0 deletions
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, +} |