Linus Groh 568d53c9b1 LibJS: Check validity of computed_property_name() result before using it ...

This fixes two cases obj[expr] and obj[expr]() (MemberExpression and
CallExpression respectively) when expr throws an exception and results
in an empty value, causing a crash by passing the invalid PropertyName
created by computed_property_name() to Object::get() without checking it
first.

Fixes #3459.

2020-09-12 11:29:39 +02:00

816 B

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