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bpo-45476: Disallow using asdl_seq_GET() as l-value (GH-29866)

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The following internal macros can not longer be used as l-value:

* asdl_seq_GET()
* asdl_seq_GET_UNTYPED()
* asdl_seq_LEN()

They are modified to use the _Py_RVALUE() macro.
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Victor Stinner 2021-11-30 15:13:55 +01:00 • committed by GitHub
parent c19c3a0961
commit 4b97d974ec
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1 changed files with 3 additions and 3 deletions
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6
Include/internal/pycore_asdl.h
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@ -78,9 +78,9 @@ asdl_ ## NAME ## _seq *_Py_asdl_ ## NAME ## _seq_new(Py_ssize_t size, PyArena *a
return seq; \
}
#define asdl_seq_GET_UNTYPED(S, I) (S)->elements[(I)]
#define asdl_seq_GET(S, I) (S)->typed_elements[(I)]
#define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)
#define asdl_seq_GET_UNTYPED(S, I) _Py_RVALUE((S)->elements[(I)])
#define asdl_seq_GET(S, I) _Py_RVALUE((S)->typed_elements[(I)])
#define asdl_seq_LEN(S) _Py_RVALUE(((S) == NULL ? 0 : (S)->size))
#ifdef Py_DEBUG
# define asdl_seq_SET(S, I, V) \