Backport "Fix isomorphism tests of AndOrTypes under non-empty BinderPairs" to 3.5.2
#21468
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
[Cherry-picked fc1ce14]
…21017) Before the changes, when comparing two `HKTypeLambda` result types, the list of binding pairs was lost when entering comparison of `AndOrType`s, which caused the `equals` to fail, and hence prevented hash-consing. Even though `M1` and `M2` in pos/i20858-min should still conform to one-another, we entered a deep-subtype comparison because of the order in which the TypeComparer does dealiasing of AppliedTypes, and comparison of MatchCases and AndTypes. Fix #20858 [Cherry-picked f2829c3]
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Outdated suggestions cannot be applied.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.
Backports #21017 to the 3.5.2 branch.
PR submitted by the release tooling.
[skip ci]