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chore: solidify len/cap impurity check for maps/chans and add tests#15

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xkilldash9x merged 1 commit into
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chore/fix-len-cap-impurity-marker-and-test-8490562561725051731
Feb 4, 2026
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chore: solidify len/cap impurity check for maps/chans and add tests#15
xkilldash9x merged 1 commit into
mainfrom
chore/fix-len-cap-impurity-marker-and-test-8490562561725051731

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This change addresses a "FIX" marker in pkg/analysis/ir/canonicalizer.go regarding the impurity of len() and cap() for Maps and Channels. The analysis confirmed the logic was already correctly implemented. The marker was updated to a note to resolve the flagged item, and a regression test was added to pkg/analysis/ir/ir_test.go to guarantee that len and cap on channels are treated as impure and not hoisted during canonicalization, matching the behavior for maps.


PR created automatically by Jules for task 8490562561725051731 started by @xkilldash9x

- Verify and solidify the impurity check for `len()` and `cap()` on maps and channels in `canonicalizer.go`.
- Replace "FIX" marker with "Note" to reflect that the logic is implemented and intentional.
- Add regression test `TestCanonicalizer_HoistSafety_Chan` in `ir_test.go` to ensure `len(chan)` and `cap(chan)` are not hoisted out of loops.

Co-authored-by: xkilldash9x <223238109+xkilldash9x@users.noreply.github.com>
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@xkilldash9x xkilldash9x merged commit 862190c into main Feb 4, 2026
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@xkilldash9x xkilldash9x deleted the chore/fix-len-cap-impurity-marker-and-test-8490562561725051731 branch February 4, 2026 13:09
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