[issue24851] infinite loop in faulthandler._stack_overflow

[Paul Murphy]

Paul Murphy added the comment:

Somehow, you need to preserve access to the stack memory. The generated code is still growing the stack, it just fails to touch any of it.

I'm guessing a volatile access would just add an extra non-stack access to the infinite loop.

Initially, I had tried creating a non-inlined function to touch the stack memory. It worked in this case, but still required some undesirable compiler specific assistance.

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