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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/issues/issue-46855.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-46855.rs')
-rw-r--r-- | tests/ui/issues/issue-46855.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-46855.rs b/tests/ui/issues/issue-46855.rs new file mode 100644 index 000000000..aa6378f85 --- /dev/null +++ b/tests/ui/issues/issue-46855.rs @@ -0,0 +1,24 @@ +// run-pass +#![allow(dead_code)] +// compile-flags: -Zmir-opt-level=1 + +use std::mem; + +#[derive(Copy, Clone)] +enum Never {} + +union Foo { + a: u64, + b: Never +} + +fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 } + +fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x } + +fn main() { + println!("{}", mem::size_of::<Foo>()); + + let f = [Foo { a: 42 }, Foo { a: 10 }]; + println!("{:?}", unsafe { f[0].a }); +} |