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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/consts/const-eval/issue-55541.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/consts/const-eval/issue-55541.rs')
-rw-r--r-- | tests/ui/consts/const-eval/issue-55541.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/issue-55541.rs b/tests/ui/consts/const-eval/issue-55541.rs new file mode 100644 index 000000000..fa5a493ab --- /dev/null +++ b/tests/ui/consts/const-eval/issue-55541.rs @@ -0,0 +1,27 @@ +// check-pass + +// Test that we can handle newtypes wrapping extern types + +#![feature(extern_types)] + +use std::marker::PhantomData; + +extern "C" { + pub type ExternType; +} +unsafe impl Sync for ExternType {} +static MAGIC_FFI_STATIC: u8 = 42; + +#[repr(transparent)] +pub struct Wrapper(ExternType); +pub static MAGIC_FFI_REF: &'static Wrapper = unsafe { + std::mem::transmute(&MAGIC_FFI_STATIC) +}; + +#[repr(transparent)] +pub struct Wrapper2(PhantomData<Vec<i32>>, ExternType); +pub static MAGIC_FFI_REF2: &'static Wrapper2 = unsafe { + std::mem::transmute(&MAGIC_FFI_STATIC) +}; + +fn main() {} |