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On Sat, Oct 5, 2019 at 11:53 AM Viacheslav Usov <> wrote:

> In the first check, luaF_newtbcupval() obtains the metamethod just for the sake of checking that it exists, it is not used nor stored for later use.

I missed that the error handling branch that follows depends on this check and calls callclose() unconditionally, which is easy to fix.