GH-113528: Deoptimise `pathlib._abc.PurePathBase.parts` (#113883)

Implement `parts` using `_stack`, which itself calls `pathmod.split()`
repeatedly. This avoids use of `_tail`, which will be moved to `PurePath`
shortly.

Barney Gale committed 2y ago

5c7bd0e39839b27bc524e1790fe4936d987f384a

Parent: 623b338

Committed by GitHub <noreply@github.com> on 1/9/2024, 10:46:50 PM