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bpo-45953: Statically allocate and initialize global bytes objects. (gh-30096)

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The empty bytes object (b'') and the 256 one-character bytes objects were allocated at runtime init.  Now we statically allocate and initialize them.

https://bugs.python.org/issue45953
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Eric Snow 2022-01-11 09:37:24 -07:00 • committed by GitHub
parent 6f05e1ec19
commit cf496d657a
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 294 additions and 96 deletions
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6
Python/pylifecycle.c
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@ -678,11 +678,6 @@ pycore_init_global_objects(PyInterpreterState *interp)
_PyFloat_InitState(interp);
status = _PyBytes_InitGlobalObjects(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
status = _PyUnicode_InitGlobalObjects(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;
@ -1685,7 +1680,6 @@ finalize_interp_types(PyInterpreterState *interp)
_PySlice_Fini(interp);
_PyBytes_Fini(interp);
_PyUnicode_Fini(interp);
_PyFloat_Fini(interp);
}