Bug report

A clear and concise description of what the bug is.
Include a minimal, reproducible example (https://stackoverflow.com/help/minimal-reproducible-example), if possible.

Your environment

from enum import Flag, verify, NAMED_FLAGS@verify(NAMED_FLAGS)class Color(Flag):    RED = -1 # 0    GREEN = 2    BLUE = 4    WHITE = 9     NEON = 6

In this example, it is working good, if RED has value of 0, but is resulting in Memory Error, if its value is changed to -1

• CPython versions tested on: 3.11.0
• Operating system and architecture: Windows 10, 64 bit

• PR:gh-99248: [Enum] fix negative number infinite loop #99256

• PR:[3.11] gh-99248: [Enum] fix negative number infinite loop (GH-99256) #99259