https://github.com/python/cpython/commit/3524941630e0f390b03de633a975b57378449a34 commit: 3524941630e0f390b03de633a975b57378449a34 branch: 3.15 author: Miss Islington (bot) <[email protected]> committer: StanFromIreland <[email protected]> date: 2026-10-31T17:39:00Z summary:
[3.15] Disable UBSan alignment check in `configure`'s aligned-access test (GH-161012) (#161019) (cherry picked from commit 90dc8bdc09b7b20c4206fec7f119d5bac5d48c52) Co-authored-by: Stan Ulbrych <[email protected]> files: M configure M configure.ac diff --git a/configure b/configure index 6f7ff1b04a37d9..0c195027c4a309 100755 --- a/configure +++ b/configure @@ -15570,6 +15570,11 @@ else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ +#ifdef __has_attribute +# if __has_attribute(no_sanitize) +__attribute__((no_sanitize("alignment"))) +# endif +#endif int main(void) { char s[16]; diff --git a/configure.ac b/configure.ac index 99238054b9a6c3..b9e175abd89921 100644 --- a/configure.ac +++ b/configure.ac @@ -4129,6 +4129,11 @@ esac # check for systems that require aligned memory access AC_CACHE_CHECK([aligned memory access is required], [ac_cv_aligned_required], [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#ifdef __has_attribute +# if __has_attribute(no_sanitize) +__attribute__((no_sanitize("alignment"))) +# endif +#endif int main(void) { char s[16]; _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
