[Octave-bug-tracker] [bug #46877] Unreachable return statement after error call in lex.ll

[John W. Eaton]

Follow-up Comment #4, bug #46877 (project octave):

OK, I have a potential fix, but it is a bit of a kluge.  Not only was the
internal state not deleted properly, but any partially constructed parse tree
was also not deleted.  Still thinking about what would be the best short-term
fix.  Longer term, we may want to switch to having Bison generate the parser
as a C++ class instead and I think that could also help with this problem.

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