Promote _call metamethod calls to normal function calls so they can tail call, suspend, or throw.#316
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BenLubar wants to merge 1 commit intoalbertodemichelis:masterfrom
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…ail call, suspend, or throw.
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This maintains the existing undocumented behavior where one extra stack value is passed to the function call. (
x.y(a, b, c)wherex.yis an object with a_callmetamethod will still result in a call tox.y._call(x.y, x, a, b, c)).