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Reject `_` as a rename target for a binding that is used - #20599

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xperiandri wants to merge 11 commits into

dotnet:mainfrom

xperiandri:fix/rename-underscore-with-uses

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Reject `_` as a rename target for a binding that is used#20599
xperiandri wants to merge 11 commits into
dotnet:mainfrom
xperiandri:fix/rename-underscore-with-uses

Commits on Nov 5, 2026
- Report a hand-written `__` self identifier to the name resolution sink
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- Add release note
  
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- Name why the base val is not reported and compact the self identifier tests
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- Compare the self identifier ranges with collection asserts
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  ed5b6ed
- Refuse `_` as a rename target for a binding that has uses
  
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- Refuse a rename whose set of locations omits the declaration
  
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- Add inline rename tests for self identifiers
  
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- Point the __ use-site caret at the use
  
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- Accept an escaped `_` and rename active pattern cases
  
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  d31ebc9
- Name the rename guards instead of commenting them and merge the rename service tests
  
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  738caba
- Add release note
  
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  cba9f41