Since 8231441 the ppc/s390 build fails with

# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/type.cpp:1022
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/usr/.../jdk/src/hotspot/share/opto/type.cpp:1022), pid=31616, tid=31812
# assert(_type_info[base()].dual_type != Bad) failed: implement with v-call
#
# JRE version: OpenJDK Runtime Environment (16.0.0.1) (fastdebug build 16.0.0.1-internal+0-adhoc.openjdk.jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 16.0.0.1-internal+0-adhoc.openjdk.jdk, mixed mode, tiered, compressed oops, g1 gc, linux-ppc64)
# Problematic frame:
# V [libjvm.so+0x1bfaf0c] Type::xdual() const+0xfc
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#

Fix:

Add missing vector specifications in type.cpp Type::_type_info array.