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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/extern/extern-types-manual-sync-send.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/extern/extern-types-manual-sync-send.rs')
-rw-r--r-- | src/test/ui/extern/extern-types-manual-sync-send.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/extern/extern-types-manual-sync-send.rs b/src/test/ui/extern/extern-types-manual-sync-send.rs new file mode 100644 index 000000000..87eb3f622 --- /dev/null +++ b/src/test/ui/extern/extern-types-manual-sync-send.rs @@ -0,0 +1,19 @@ +// run-pass +// Test that unsafe impl for Sync/Send can be provided for extern types. + +#![feature(extern_types)] + +extern "C" { + type A; +} + +unsafe impl Sync for A {} +unsafe impl Send for A {} + +fn assert_sync<T: ?Sized + Sync>() {} +fn assert_send<T: ?Sized + Send>() {} + +fn main() { + assert_sync::<A>(); + assert_send::<A>(); +} |