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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
commit | dc0db358abe19481e475e10c32149b53370f1a1c (patch) | |
tree | ab8ce99c4b255ce46f99ef402c27916055b899ee /tests/ui/lint/undropped_manually_drops.rs | |
parent | Releasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip |
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/undropped_manually_drops.rs')
-rw-r--r-- | tests/ui/lint/undropped_manually_drops.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/lint/undropped_manually_drops.rs b/tests/ui/lint/undropped_manually_drops.rs new file mode 100644 index 000000000..7286121a4 --- /dev/null +++ b/tests/ui/lint/undropped_manually_drops.rs @@ -0,0 +1,19 @@ +// check-fail + +struct S; + +fn main() { + let mut manual1 = std::mem::ManuallyDrop::new(S); + let mut manual2 = std::mem::ManuallyDrop::new(S); + let mut manual3 = std::mem::ManuallyDrop::new(S); + + drop(std::mem::ManuallyDrop::new(S)); //~ ERROR calls to `std::mem::drop` + drop(manual1); //~ ERROR calls to `std::mem::drop` + drop({ manual3 }); //~ ERROR calls to `std::mem::drop` + + // These lines will drop `S` and should be okay. + unsafe { + std::mem::ManuallyDrop::drop(&mut std::mem::ManuallyDrop::new(S)); + std::mem::ManuallyDrop::drop(&mut manual2); + } +} |