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Fix missing GC root in zipAttrsWith

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My SNAFU was that I assumed that all the `Value *`s we put in
`attrsSeen` are already reachable (which they are), but I forgot about
the `elems` pointer in `ListBuilder`.

Fixes #11547.
This commit is contained in:
Eelco Dolstra 2024-09-19 19:16:31 +02:00
parent 9ea29ea517
commit 0c2fdd2f3c
1 changed files with 1 additions and 1 deletions
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src/libexpr/primops.cc
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@ -3136,7 +3136,7 @@ static void prim_zipAttrsWith(EvalState & state, const PosIdx pos, Value * * arg
std::optional<ListBuilder> list;
};
std::map<Symbol, Item> attrsSeen;
std::map<Symbol, Item, std::less<Symbol>, traceable_allocator<std::pair<const Symbol, Item>>> attrsSeen;
state.forceFunction(*args[0], pos, "while evaluating the first argument passed to builtins.zipAttrsWith");
state.forceList(*args[1], pos, "while evaluating the second argument passed to builtins.zipAttrsWith");