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gh-127117: ensure that _initial_thread is the last field of PyInterpreterState when Py_STACKREF_DEBUG is defined (#132721)

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Bénédikt Tran 2025-04-20 08:23:00 +02:00 • committed by GitHub
parent a16586c9e7
commit 246ed23456
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1 changed files with 6 additions and 6 deletions
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12
Include/internal/pycore_interp_structs.h
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@ -754,7 +754,7 @@ struct _is {
* and should be placed at the beginning. */
struct _ceval_state ceval;
/* This structure is carefully allocated so that it's correctly aligned
/* This structure is carefully allocated so that it's correctly aligned
* to avoid undefined behaviors during LOAD and STORE. The '_malloced'
* field stores the allocated pointer address that will later be freed.
*/
@ -941,11 +941,6 @@ struct _is {
Py_ssize_t _interactive_src_count;
/* the initial PyInterpreterState.threads.head */
_PyThreadStateImpl _initial_thread;
// _initial_thread should be the last field of PyInterpreterState.
// See https://github.com/python/cpython/issues/127117.
#if !defined(Py_GIL_DISABLED) && defined(Py_STACKREF_DEBUG)
uint64_t next_stackref;
_Py_hashtable_t *open_stackrefs_table;
@ -953,6 +948,11 @@ struct _is {
_Py_hashtable_t *closed_stackrefs_table;
# endif
#endif
/* the initial PyInterpreterState.threads.head */
_PyThreadStateImpl _initial_thread;
// _initial_thread should be the last field of PyInterpreterState.
// See https://github.com/python/cpython/issues/127117.
};