[Repo Assist] Monthly Activity 2026-06

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Activity for June 2026

Suggested Actions for Maintainer

Comprehensive list of all pending actions requiring maintainer attention (excludes items already actioned and checked off).

• Close issue #5418: confirmed fixed (PR Fix wrong warning 20 range in sequential expressions (#5735) #19504 merged 2026-04-11), existing test coverage in WarnExpressionTests.fs — View comment
• Check comment on #4161: Bug confirmed still present — FS0410 spurious accessibility error on tuple-destructured bindings in private modules (also tested with --realsig+, still fails) — View
• Check comment on #13099: Task CE optimizer correctness bug — (someFunctionWithReturnType()).End silently optimized away in Release mode — View
• Check comment on #16034: Responded to contributor's suggested fix approach with root cause analysis — identified crash at MethodCalls.fs:667 (negative index when named arg reduces unnamed count below 2 for indexer setter) — View
• Check comment on #16464: confirmed still present, Repo Assist provided repro details — View

Additional observations for maintainer's attention

• Issue #13099: High-impact optimizer correctness bug — (someFunctionWithReturnType()).End where .End is a unit property causes the function call to be optimized away in Release mode.
• Issue #16292: Debug-only codegen bug — SRTP with mutable struct enumerator causes infinite loop in Debug builds.
• Issue #4161: Confirmed still present on F# 11.0. The compiler-generated patternInput binding for tuple destructuring incorrectly triggers FS0410 in private modules. --realsig+ does not help.
• Issue #16034: Crash fix is straightforward — guard at MethodCalls.fs:663 needs nUnnamedCalledArgs >= 2 for isIndexerSetter case. The broader shadowing inconsistency is more complex.

Future Work for Repo Assist

• Continue scanning backlog (cursor at 0, filtering by activity since last run)
• All AI-thinks-windows-only issues have been revisited (cursor at 18119)
• AI-thinks-issue-fixed issue Wrong expression is ignored warning range #5418 verified with existing test coverage — awaiting maintainer close

Run History

2026-06-13 01:31 UTC — Run

• 🔍 Scanned for pre-2024 bugs with activity since 2026-06-12: none found
• 🔍 Checked AI-thinks-windows-only issues: none above cursor (woc=18119)
• 🔍 Checked AI-thinks-issue-fixed issues: Wrong expression is ignored warning range #5418 already verified (rtc=14566)
• i️ Previous monthly issue [Repo Assist] Monthly Activity 2026-06 #19870 was closed by maintainer; created fresh issue for continuity

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