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[SR-3927] Lockdown the layout of value witness tables #46512

Closed

ematejska mannequin opened this issue Feb 11, 2017 · 2 comments

Labels

affects ABI bug compiler

Mannequin

ematejska mannequin commented Feb 11, 2017


Previous ID	SR-3927
Radar	rdar://problem/31411195
Original Reporter	@ematejska
Type	Bug
Status	Resolved
Resolution	Done

Additional Detail from JIRA


Votes	0
Component/s	Compiler
Labels	Bug, AffectsABI
Assignee	None
Priority	Medium

md5: 48a329510b6da2be90b89229c10f7f72

Issue Description:

Ahead of ABI Stability, lockdown the value witness table entries and structure.

Contributor

bob-wilson commented Apr 3, 2017

@swift-ci create

Contributor

bob-wilson commented May 3, 2018

We have made some changes for value witness tables:

Removed array operations (https://bugs.swift.org/browse/SR-3376)
Added value witnesses for single payload enums (https://bugs.swift.org/browse/SR-4332)

Beyond those, we do not plan for other changes in value witness tables.

swift-ci transferred this issue from apple/swift-issues

This issue was closed.

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