gh-106723: forward -Xfrozen_modules option to spawned process interpreters (#106724)

Co-authored-by: Kumar Aditya <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>

Author: 3 people

Lib/subprocess.py

@@ -346,7 +346,7 @@ def _args_from_interpreter_flags():
     if dev_mode:
         args.extend(('-X', 'dev'))
     for opt in ('faulthandler', 'tracemalloc', 'importtime',
-                'showrefcount', 'utf8'):
+                'frozen_modules', 'showrefcount', 'utf8'):
         if opt in xoptions:
             value = xoptions[opt]
             if value is True:

Misc/NEWS.d/next/Core and Builtins/2023-07-13-14-55-45.gh-issue-106723.KsMufQ.rst

@@ -0,0 +1 @@
+Propagate ``frozen_modules`` to multiprocessing spawned process interpreters.