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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/rfc-2008-non-exhaustive/borrowck-non-exhaustive.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/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs')
-rw-r--r-- | tests/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs b/tests/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs new file mode 100644 index 000000000..2ad92b794 --- /dev/null +++ b/tests/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs @@ -0,0 +1,18 @@ +// Test that the borrow checker considers `#[non_exhaustive]` when checking +// whether a match contains a discriminant read. + +// aux-build:monovariants.rs +extern crate monovariants; + +use monovariants::NonExhaustiveMonovariant; + +fn main() { + let mut x = NonExhaustiveMonovariant::Variant(1); + let y = &mut x; + match x { + //~^ ERROR cannot use `x` because it was mutably borrowed + NonExhaustiveMonovariant::Variant(_) => {}, + _ => {}, + } + drop(y); +} |