diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/borrowck/borrowck-union-move.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/borrowck/borrowck-union-move.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-union-move.rs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-union-move.rs b/src/test/ui/borrowck/borrowck-union-move.rs new file mode 100644 index 000000000..510547ad5 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-union-move.rs @@ -0,0 +1,86 @@ +use std::mem::ManuallyDrop; + +#[derive(Clone, Copy)] +struct Copy; +struct NonCopy; + +union Unn { + n1: ManuallyDrop<NonCopy>, + n2: ManuallyDrop<NonCopy>, +} +union Ucc { + c1: Copy, + c2: Copy, +} +union Ucn { + c: Copy, + n: ManuallyDrop<NonCopy>, +} + +fn main() { + unsafe { + // 2 NonCopy + { + let mut u = Unn { n1: ManuallyDrop::new(NonCopy) }; + let a = u.n1; + let a = u.n1; //~ ERROR use of moved value: `u` + } + { + let mut u = Unn { n1: ManuallyDrop::new(NonCopy) }; + let a = u.n1; + let a = u; //~ ERROR use of moved value: `u` + } + { + let mut u = Unn { n1: ManuallyDrop::new(NonCopy) }; + let a = u.n1; + let a = u.n2; //~ ERROR use of moved value: `u` + } + // 2 Copy + { + let mut u = Ucc { c1: Copy }; + let a = u.c1; + let a = u.c1; // OK + } + { + let mut u = Ucc { c1: Copy }; + let a = u.c1; + let a = u; // OK + } + { + let mut u = Ucc { c1: Copy }; + let a = u.c1; + let a = u.c2; // OK + } + // 1 Copy, 1 NonCopy + { + let mut u = Ucn { c: Copy }; + let a = u.c; + let a = u.c; // OK + } + { + let mut u = Ucn { c: Copy }; + let a = u.n; + let a = u.n; //~ ERROR use of moved value: `u` + } + { + let mut u = Ucn { c: Copy }; + let a = u.n; + let a = u.c; //~ ERROR use of moved value: `u` + } + { + let mut u = Ucn { c: Copy }; + let a = u.c; + let a = u.n; // OK + } + { + let mut u = Ucn { c: Copy }; + let a = u.c; + let a = u; // OK + } + { + let mut u = Ucn { c: Copy }; + let a = u.n; + let a = u; //~ ERROR use of moved value: `u` + } + } +} |