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Copilot AI commented Dec 11, 2025

Issue #26169 discussed clarifying API compatibility rules for adding the virtual keyword. PR #27421 resolved it by adding a check for sealed on interface members. The discussion concluded that adding virtual to members is only a breaking change in strict mode contexts, which is already correctly implemented.

Changes

  • Removed TODO comment referencing the now-resolved issue
  • Replaced with clarifying comment explaining the strict mode behavior
Original prompt

This section details on the original issue you should resolve

<issue_title>Fix TODO in CannotAddOrRemoveVirtualKeyword</issue_title>
<issue_description>There is a TODO in this file which says that we should fix it when rules are established. Mentioned issue is now fixed.

// TODO: This check can be expanded once compatibility rules for

Ref: #26169

We should do investigation if any work is required, if not: remove TODO. Changes should be minimal and focus on correctness.</issue_description>

<agent_instructions>do your best to be correct</agent_instructions>

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The TODO comment referenced issue #26169 which has been resolved. The issue discussion concluded that:
1. Adding 'sealed' to interface members should be flagged (implemented in PR #27421)
2. Adding 'virtual' to members should only be flagged in strict mode (already correctly implemented)

The current implementation is correct and no further expansion is needed. The TODO has been replaced with a clear comment explaining the strict mode behavior.

Co-authored-by: krwq <[email protected]>
Copilot AI changed the title [WIP] Fix TODO comment in CannotAddOrRemoveVirtualKeyword Remove obsolete TODO referencing resolved issue #26169 Dec 11, 2025
Copilot AI requested a review from krwq December 11, 2025 09:34
@krwq krwq marked this pull request as ready for review December 11, 2025 12:43
@krwq krwq requested a review from a team as a code owner December 11, 2025 12:43
Copilot AI review requested due to automatic review settings December 11, 2025 12:43
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Pull request overview

This PR removes an obsolete TODO comment that referenced issue #26169, which has been resolved. The issue discussed establishing API compatibility rules for adding the virtual keyword to members. The resolution confirmed that adding virtual is only a breaking change in strict mode contexts, which the code already correctly implements.

Key Changes:

  • Removed two-line TODO comment referencing resolved issue #26169
  • Added single-line clarifying comment explaining the strict mode behavior

@ericstj ericstj enabled auto-merge (squash) December 11, 2025 19:29
@ericstj ericstj merged commit 4b06a7e into main Dec 11, 2025
26 checks passed
@ericstj ericstj deleted the copilot/fix-todo-in-cannotaddorremovevirtualkeyword branch December 11, 2025 21:38
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Fix TODO in CannotAddOrRemoveVirtualKeyword

3 participants