[Python-checkins] gh-106723: forward -Xfrozen_modules option to spawned process interpreters (#106724)

[gpshead]

https://github.com/python/cpython/commit/3dcac785810df4d9db50abe90847eaf03bbdaaf4
commit: 3dcac785810df4d9db50abe90847eaf03bbdaaf4
branch: main
author: Felipe A. Hernandez <ergoithz at gmail.com>
committer: gpshead <greg at krypto.org>
date: 2023-07-28T05:04:26Z
summary:

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

Co-authored-by: Kumar Aditya <kumaraditya at python.org>
Co-authored-by: Gregory P. Smith <greg at krypto.org>

files:
A Misc/NEWS.d/next/Core and Builtins/2023-07-13-14-55-45.gh-issue-106723.KsMufQ.rst
M Lib/subprocess.py

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index fbc76b8d0f14b..6df5dd551ea67 100644
--- a/Lib/subprocess.py
+++ b/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:
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-07-13-14-55-45.gh-issue-106723.KsMufQ.rst b/Misc/NEWS.d/next/Core and Builtins/2023-07-13-14-55-45.gh-issue-106723.KsMufQ.rst
new file mode 100644
index 0000000000000..207f397f17d3f
--- /dev/null
+++ b/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.