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Finish remaining C# 9 diagnostics#53888

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BillWagner wants to merge 7 commits into

dotnet:maindotnet/docs:mainfrom

BillWagner:misc-c9-diagnosticsBillWagner/docs:misc-c9-diagnosticsCopy head branch name to clipboard

Conversation Commits7 (7)Checks Files changed

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Finish remaining C# 9 diagnostics#53888
BillWagner wants to merge 7 commits into
dotnet:mainfrom
BillWagner:misc-c9-diagnostics

Commits

Commits on May 19, 2026

Phase 1: move internal error
BillWagner
committed
First pass
BillWagner
committed
Move command line diagnostics
BillWagner
committed
consolidate existing diagnostics
BillWagner
committed
consolidate around themes.
BillWagner
committed
Update invalid-build-command-line.md
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committed
build warnings
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