[issue34850] Emit a syntax warning for "is" with a literal

[Steven D'Aprano]

Steven D'Aprano <steve+python at pearwood.info> added the comment:

On Sun, Sep 30, 2018 at 10:24:41PM +0000, Nathaniel Smith wrote:
> Would it make sense to implement a "chaos" mode (that e.g. testing 
> tools could enable unconditionally), that disables the small integer 
> and small string caches?

I'm not really sure that "chaos" is a good name for that. Contrast 
the rather restricted scope ("disable caches") with this example of 
chaos:

https://en.wikipedia.org/wiki/Chaos_Monkey

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