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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/consts/control-flow/drop-pass.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/consts/control-flow/drop-pass.rs')
-rw-r--r-- | src/test/ui/consts/control-flow/drop-pass.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/ui/consts/control-flow/drop-pass.rs b/src/test/ui/consts/control-flow/drop-pass.rs new file mode 100644 index 000000000..2a6d12768 --- /dev/null +++ b/src/test/ui/consts/control-flow/drop-pass.rs @@ -0,0 +1,46 @@ +// run-pass +// revisions: stock precise + +#![allow(unused)] +#![cfg_attr(precise, feature(const_precise_live_drops))] + +// `x` is always moved into the final value and is not dropped inside the initializer. +const _: Option<Vec<i32>> = { + let y: Option<Vec<i32>> = None; + let x = Some(Vec::new()); + + if true { + x + } else { + x + } +}; + +const _: Option<Vec<i32>> = { + let x = Some(Vec::new()); + match () { + () => x, + } +}; + +const _: Option<Vec<i32>> = { + let mut some = Some(Vec::new()); + let mut tmp = None; + + let mut i = 0; + while i < 10 { + tmp = some; + some = None; + + // We can never exit the loop with `Some` in `tmp`. + + some = tmp; + tmp = None; + + i += 1; + } + + some +}; + +fn main() {} |