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gh-133157: remove usage of _Py_NO_SANITIZE_UNDEFINED in pyexpat (#135346)

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This was the last usage, so the macro is removed as well.

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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Petr Viktorin 2025-07-01 10:54:08 +02:00 • committed by GitHub
parent 23caccf74c
commit 845263adc6
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4 changed files with 96 additions and 29 deletions
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19
Include/pyport.h
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@ -667,25 +667,6 @@ extern "C" {
#endif
// _Py_NO_SANITIZE_UNDEFINED(): Disable Undefined Behavior sanitizer (UBsan)
// on a function.
//
// Clang and GCC 9.0+ use __attribute__((no_sanitize("undefined"))).
// GCC 4.9+ uses __attribute__((no_sanitize_undefined)).
#if defined(__has_feature)
# if __has_feature(undefined_behavior_sanitizer)
# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize("undefined")))
# endif
#endif
#if !defined(_Py_NO_SANITIZE_UNDEFINED) && defined(__GNUC__) \
&& ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9))
# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize_undefined))
#endif
#ifndef _Py_NO_SANITIZE_UNDEFINED
# define _Py_NO_SANITIZE_UNDEFINED
#endif
// _Py_NONSTRING: The nonstring variable attribute specifies that an object or
// member declaration with type array of char, signed char, or unsigned char,
// or pointer to such a type is intended to store character arrays that do not