Fix missing GC root in zipAttrsWith (backport #11548) #11553
Merged
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Motivation
Fixes #11547.
My SNAFU was that I assumed that all the
Value *
s we put inattrsSeen
are already reachable (which they are), but I forgot about theelems
pointer inListBuilder
.Thanks to @puckipedia and @yorickvP for diagnosing.
Context
Priorities and Process
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This is an automatic backport of pull request #11548 done by [Mergify](https://mergify.com).