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bpo-46608: exclude marshalled-frozen data if deep-freezing to save 300 KB space (GH-31074)

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This reduces the size of the data segment by **300 KB** of the executable because if the modules are deep-frozen then the marshalled frozen data just wastes space. This was inspired by comment by @gvanrossum in https://github.com/python/cpython/pull/29118#issuecomment-958521863. Note: There is a new option `--deepfreeze-only` in `freeze_modules.py` to change this behavior, it is on be default to save disk space.
```console 
# du -s ./python before
27892   ./python
# du -s ./python after
27524   ./python
```

Automerge-Triggered-By: GH:ericsnowcurrently
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Kumar Aditya 2022-02-04 23:27:03 +05:30 • committed by GitHub
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commit bf95ff91f2
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Doc/whatsnew/3.11.rst
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@ -650,6 +650,11 @@ C API Changes
fields of the result from the exception instance (the ``value`` field).
(Contributed by Irit Katriel in :issue:`45711`.)
* :c:struct:`_frozen` has a new ``is_package`` field to indicate whether
or not the frozen module is a package. Previously, a negative value
in the ``size`` field was the indicator. Now only non-negative values
be used for ``size``.
(Contributed by Kumar Aditya in :issue:`46608`.)
New Features
------------