openconnect SIGSEGV segfault arm64 (latest snapshot)

Openconnect is segfaulting on the latest amr64 snapshot build with the
GlobalProtect protocol during SSL negotiation. Worked up until
recently. Perhaps related to recent gnutls changes here
https://github.com/openbsd/ports/commit/2c51f0399bca7f603b108362a96a9d01b1e23a6d#diff-b7d0163f8e795412e395cef337f32287c201e271b68d66da94c59c70c749331eL4

Backtrace from openconnect core dump:
#0 0x0000000f9a378080 in sha1_block_data_order () from
/usr/local/lib/libgnutls.so.47.10
#1 0x0000000f9a502628 in aarch64_sha1_update () from
/usr/local/lib/libgnutls.so.47.10
#2 0x0000000f9a502cd8 [PAC] in wrap_aarch64_hash_fast () from
/usr/local/lib/libgnutls.so.47.10
#3 0x0000000f9a412670 [PAC] in _gnutls_hash_fast () from
/usr/local/lib/libgnutls.so.47.10
#4 0x0000000f9a427b30 [PAC] in gnutls_fingerprint () from
/usr/local/lib/libgnutls.so.47.10
#5 0x0000001042daa400 [PAC] in verify_peer () from
/usr/local/lib/libopenconnect.so.4.5
#6 0x0000000f9a403db8 [PAC] in _gnutls_run_verify_callback () from
/usr/local/lib/libgnutls.so.47.10
#7 0x0000000f9a401458 [PAC] in gnutls_handshake () from
/usr/local/lib/libgnutls.so.47.10
#8 0x0000001042daa720 [PAC] in cstp_handshake () from
/usr/local/lib/libopenconnect.so.4.5
#9 0x0000001042da9c30 [PAC] in openconnect_open_https () from
/usr/local/lib/libopenconnect.so.4.5
#10 0x0000001042d70fa4 [PAC] in do_https_request () from
/usr/local/lib/libopenconnect.so.4.5
#11 0x0000001042d932b4 [PAC] in gpst_login () from
/usr/local/lib/libopenconnect.so.4.5
#12 0x0000001042d930ac [PAC] in gpst_obtain_cookie () from
/usr/local/lib/libopenconnect.so.4.5