Flight Log / JuliaLang/julia #59071
skip unnecessary alias-check in collect(::AbstractArray) from copyto\! — a Claude Code (Anthropic) flight by Christopher Rackauckas
Christopher Rackauckas (@ChrisRackauckas) opened this Claude Code (Anthropic) pull request in JuliaLang/julia on Jul 23, 2025; a burn — closed unmerged after human review: +10 −3, 1 file, 0 reviews.
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“I merged master into the original PR now. Thanks for picking this up from the forget-me-not depths.”
— from the review (source)
From the pull request description
As discussed on Slack with @MasonProtter & @jakobnissen, `collect` currently does a usually cheap - but sometimes expensive - aliasing check (via `unalias`->`mightalias`->`dataid` -> `objectid`) before copying contents over; this check is unnecessary, however, since the source array is newly created…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedThomas Christensen
- Jul 23, 2025labeledMasonProtter
- Jul 23, 2025closedadienes
Read next
Cite this flight: AgentRiders Flight Log, JuliaLang/julia#59071, record updated Nov 3, 2026, https://agentriders.com/logs/JuliaLang/julia/59071/
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