extra: Don't recurse in DList drop glue. #8295 #8297
Closed
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
The compiler-generated dtor for DList recurses deeply to drop Nodes. For big lists this can overflow the stack.
|
It seems to me that something is wrong if sibling call optimization isn't kicking in here. Although, I guess you want this to work without optimizations on too. |
bors
added a commit
that referenced
this pull request
Aug 5, 2013
The compiler-generated dtor for DList recurses deeply to drop Nodes. For big lists this can overflow the stack. This is a problem for the new scheduler, where split stacks are not implemented. Thanks @blake2-ppc
flip1995
pushed a commit
to flip1995/rust
that referenced
this pull request
Jan 17, 2022
…hearth Don't lint `if_same_then_else` with `if let` conditions fixes rust-lang#7579 changelog: Don't lint `if_same_then_else` with `if let` conditions
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
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Outdated suggestions cannot be applied.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.
The compiler-generated dtor for DList recurses deeply to drop Nodes.
For big lists this can overflow the stack.
This is a problem for the new scheduler, where split stacks are not implemented.
Thanks @blake2-ppc