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Published 20 hours ago • verified publisher icon swiftlang

[6.0][Runtime] Mask out spare bits after copying for Error in CVW

Open drexin opened this issue 9 months ago • 1 comments

Explanation: When the spare bits of an Error objects are used to store tag bits, this caused the enum tag to be lost, which caused the wrong enum cases to be matched. Scope: Only affects compact value witnesses Risk: Low. Only affects CVW Testing: Added test cases that observe the issue before the fix Issue: rdar://127379960 Reviewer: @mikeash Main branch PR: https://github.com/apple/swift/pull/73426

drexin avatar May 03 '24 19:05 drexin

@swift-ci test

drexin avatar May 03 '24 19:05 drexin