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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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5 changed files with 294 additions and 96 deletions
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Include/internal/pycore_interp.h
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@ -10,7 +10,6 @@ extern "C" {
#include "pycore_atomic.h" // _Py_atomic_address
#include "pycore_ast_state.h" // struct ast_state
#include "pycore_bytesobject.h" // struct _Py_bytes_state
#include "pycore_context.h" // struct _Py_context_state
#include "pycore_dict.h" // struct _Py_dict_state
#include "pycore_exceptions.h" // struct _Py_exc_state
@ -152,7 +151,6 @@ struct _is {
PyObject *audit_hooks;
struct _Py_bytes_state bytes;
struct _Py_unicode_state unicode;
struct _Py_float_state float_state;
/* Using a cache is very effective since typically only a single slice is