librustc: Make sure region bounds on closures outlive calls to them. #17175
+20
−0
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
This can break code like:
fn call_rec(f: |uint| -> uint) -> uint {
(|x| f(x))(call_rec(f))
}
Change this code to use a temporary instead of violating the borrow
rules:
fn call_rec(f: |uint| -> uint) -> uint {
let tmp = call_rec(|x| f(x)); f(tmp)
}
Closes rust-lang#17144.
[breaking-change]
lnicola
pushed a commit
to lnicola/rust
that referenced
this pull request
May 19, 2024
fix: Fix implicit ty args being lowered where they shouldn't Fixes rust-lang/rust-analyzer#17173
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Outdated suggestions cannot be applied.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.
This can break code like:
Change this code to use a temporary instead of violating the borrow
rules:
Closes #17144.
[breaking-change]
r? @huonw