[Bug sanitizer/103519] Address sanitizer check missing for AVX512 masked load

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103519

--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
get_mem_refs_of_builtin_call doesn't handle target-specific builtins.