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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/borrowck/borrowck-no-cycle-in-exchange-heap.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/borrowck/borrowck-no-cycle-in-exchange-heap.rs')
-rw-r--r-- | tests/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs b/tests/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs new file mode 100644 index 000000000..f035049d8 --- /dev/null +++ b/tests/ui/borrowck/borrowck-no-cycle-in-exchange-heap.rs @@ -0,0 +1,20 @@ +struct Node_ { + a: Box<Cycle> +} + +enum Cycle { + Node(Node_), + Empty, +} + +fn main() { + let mut x: Box<_> = Box::new(Cycle::Node(Node_ {a: Box::new(Cycle::Empty)})); + + // Create a cycle! + match *x { + Cycle::Node(ref mut y) => { + y.a = x; //~ ERROR cannot move out of + } + Cycle::Empty => {} + }; +} |