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MDEV-37048 revert MSAN my_vsnprintf_ex for double workaround #4129

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Merged
dr-m merged 1 commit into from
Jul 3, 2025
Merged

MDEV-37048 revert MSAN my_vsnprintf_ex for double workaround #4129

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6 changes: 0 additions & 6 deletions strings/my_vsnprintf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -739,13 +739,7 @@ size_t my_vsnprintf_ex(CHARSET_INFO *cs, char *to, size_t n,
else if (*fmt == 'f' || *fmt == 'g')
{
double d;
#if __has_feature(memory_sanitizer) /* QQ: MSAN has double trouble? */
__msan_check_mem_is_initialized(ap, sizeof(double));
#endif
d= va_arg(ap, double);
#if __has_feature(memory_sanitizer) /* QQ: MSAN has double trouble? */
__msan_unpoison(&d, sizeof(double));
#endif
to= process_dbl_arg(to, end, width, d, *fmt);
continue;
}
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