bpo-32329: Fix -R option for hash randomization #4873
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bpo-32329, bpo-32030: * The -R option now turns on hash randomization when the PYTHONHASHSEED environment variable is set to 0 Previously, the option was ignored. * sys.flags.hash_randomization is now properly set to 0 when hash randomization is turned off by PYTHONHASHSEED=0. * _PyCoreConfig_ReadEnv() now reads the PYTHONHASHSEED environment variable. _Py_HashRandomization_Init() now only apply the configuration, it doesn't read PYTHONHASHSEED anymore.
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bpo-32329, bpo-32030:
PYTHONHASHSEED environment variable is set to 0 Previously, the
option was ignored.
randomization is turned off by PYTHONHASHSEED=0.
variable. _Py_HashRandomization_Init() now only apply the
configuration, it doesn't read PYTHONHASHSEED anymore.
https://bugs.python.org/issue32329