[riscv64]arena.cpp:82:19: error: ISO C++17 does not allow ‘register’ storage class specifier [-Werror=register]

[sendaoYan]

bash configure --with-jobs=64 --prefix=$PWD/install-release --verbose --with-debug-level=release --enable-unlimited-crypto --with-vendor-name=yansendao --with-vendor-url=https://github.com/sendaoYan --with-vendor-bug-url=mailto:[email protected] --with-vendor-vm-bug-url=mailto:[email protected] --with-jvm-variants=server --with-boot-jdk=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.362.b09-2.rv64.fc38.riscv64 --with-jtreg=/home/yansendao/software/jdk/jtreg-6 --enable-ccache
time make all LOG=debug CONF=linux-riscv64-normal-server-slowdebug &> build/make.log

/usr/bin/g++ -DLINUX -D_GNU_SOURCE -DAMD64 -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/prims -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/precompiled -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/cpu/x86/vm -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/os_cpu/linux_x86/vm -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/os/linux/vm -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/os/posix/vm -I/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/adlc -I../generated -DASSERT -DTARGET_OS_FAMILY_linux -DTARGET_ARCH_x86 -DTARGET_ARCH_MODEL_x86_64 -DTARGET_OS_ARCH_linux_x86 -DTARGET_OS_ARCH_MODEL_linux_x86_64 -DTARGET_COMPILER_gcc -DINCLUDE_JFR=1 -DCOMPILER2 -DCOMPILER1 -fno-rtti -fno-exceptions -D_REENTRANT -fcheck-new -fvisibility=hidden -pipe -fno-strict-aliasing -fno-omit-frame-pointer -Werror -g -c -o ../generated/adfiles/arena.o /home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/adlc/arena.cpp && { echo Done with /home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/adlc/arena.cpp; }

/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/adlc/arena.cpp: In member function ‘size_t Arena::used() const’:
/home/yansendao/git/riscv-port-jdk8u-ysd/hotspot/src/share/vm/adlc/arena.cpp:82:19: error: ISO C++17 does not allow ‘register’ storage class specifier [-Werror=register]
   82 |   register Chunk *k = _first;
      |                   ^

which gcc ; gcc -v
/usr/bin/gcc
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/riscv64-redhat-linux/13/lto-wrapper
Target: riscv64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,m2,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-13.2.1-20230728/obj-riscv64-redhat-linux/isl-install --enable-gnu-indirect-function --with-arch=rv64gc --with-abi=lp64d --with-multilib-list=lp64d --build=riscv64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.2.1 20230728 (Red Hat 13.2.1-1) (GCC) 

make.log