neilconway opened a new issue, #25082:
URL: https://github.com/apache/datafusion/issues/25082
### Describe the bug
Indexing a map whose keys are lists or structs via `map[k]` panics with an
out-of-bounds bit index whenever the matching entry is not the first entry of
the map, or the key is absent.
### To Reproduce
```
-- Works: the match is the first entry
SELECT MAP {[1,2]:1, [3,4]:2}[[1,2]];
-- 1
-- Panics: the match is the second entry
SELECT MAP {[1,2]:1, [3,4]:2}[[3,4]];
-- Panics: absent key
SELECT MAP {[1,2]:1, [3,4]:2}[[9,9]];
-- Panics: struct keys behave the same way
SELECT MAP {named_struct('a',1):1,
named_struct('a',2):2}[named_struct('a',2)];
```
### Expected behavior
_No response_
### Additional context
_No response_
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