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Date: Mon, 24 Nov 2014 15:51:33 +1100
Subject: Re: Comprehension with two variables - explanation needed
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:81426

On Mon, Nov 24, 2014 at 3:42 PM, Steven D'Aprano <steve@pearwood.info> wrote:
> Today dis() returns the above, tomorrow it may return:
>
>               0 LOAD_GLOBAL              0 (x)
>               3 INCREMENT
>               5 RETURN_VALUE
>
> (say), and the Python code remains the same even though the byte code is
> different.

I hope not! The x in the original function was a local, not a global,
and if dis.dis() says LOAD_GLOBAL for something that's not global, it
would be *very* confusing! :)

But yes, CPython could grow an INCREMENT bytecode, and it'd not break anything.

ChrisA