Linus Groh 63e8477a6b LibJS: Handle OOB access in GenericIndexedPropertyStorage::take_last() ...

We already do this for the SimpleIndexedPropertyStorage, so for indexed
properties with GenericIndexedPropertyStorage this would previously
crash. Since overwriting the array-like size with a larger value won't
magically insert values at previously unset indices, we need to handle
such an out of bounds access gracefully and just return an empty value.

Fixes #7043.

2021-05-17 23:20:29 +01:00

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