Linus Groh d69ed91790 LibJS: Check AssignmentExpression LHS in parser ...

There are many cases which shouldn't even parse, like

null = ...
true = ...
false = ...
123 = ...
"foo" = ...

However this *is* valid syntax:

foo() = ...

So we still have to keep the current code doing a runtime check if the
LHS value is a resolvable reference. I believe this was declared valid
syntax to *in theory* allow functions returning references - though in
practice that isn't a thing.

Fixes #2204.

2020-05-13 01:15:29 +02:00

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