llvm-project

6dcd0d4b - [NFC][sanitizer] Update `DTLS_on_tls_get_addr` failure comment (#109546)

[NFC][sanitizer] Update `DTLS_on_tls_get_addr` failure comment (#109546) Also return `nullptr` on failure. All callers do nothing for `nullptr` or `{tls_beg, 0}`, but with `nullptr` they continue earlier.