Document that ManuallyDrop::drop should not called more than once #62360
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Double dropping is unsound (e.g. rust-lang#60977). This commit documents the fact that `ManuallyDrop::drop` should not be called multiple times on the same instance, as it might not be immediately obvious that this counts as a use of uninitialized data.
|
r? @shepmaster (rust_highfive has picked a reviewer for you, use r? to override) |
rust-highfive
added
the
S-waiting-on-review
Centril
reviewed
Jul 4, 2019
Co-Authored-By: Mazdak Farrokhzad <[email protected]>
RalfJung
reviewed
Jul 4, 2019
RalfJung
added
S-waiting-on-author
|
ping from triage.. hello @Aaron1011, can you please provide a status? |
|
@rholderfield: I've updated the wording to follow @RalfJung's suggestion |
Centril
added
S-waiting-on-review
|
Thanks! @bors r+ rollup |
|
📌 Commit a93f4ab has been approved by |
bors
added
S-waiting-on-bors
Centril
added a commit
to Centril/rust
that referenced
this pull request
Jul 28, 2019
Document that ManuallyDrop::drop should not called more than once Double dropping is unsound (e.g. rust-lang#60977). This commit documents the fact that `ManuallyDrop::drop` should not be called multiple times on the same instance, as it might not be immediately obvious that this counts as a use of uninitialized data.
bors
added a commit
that referenced
this pull request
Jul 28, 2019
Rollup of 8 pull requests Successful merges: - #61856 (Lint attributes on function arguments) - #62360 (Document that ManuallyDrop::drop should not called more than once) - #62392 (Update minifier-rs version) - #62871 (Explicit error message for async recursion.) - #62995 (Avoid ICE when suggestion span is at Eof) - #63053 (SystemTime docs: recommend Instant for elapsed time) - #63081 (tidy: Cleanup the directory whitelist) - #63088 (Remove anonymous_parameters from unrelated test) Failed merges: r? @ghost
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Double dropping is unsound (e.g. #60977). This commit documents the fact that
ManuallyDrop::dropshould not be called multiple times on the same instance, as it might not be immediately obvious that this counts as a use of uninitialized data.