[Wisp] coroutine.cpp reported compile warning ‘w.WispPostStealHandleUpdateMark::_hwm’ is used uninitialized

[sendaoYan]

Configure command:

bash configure --with-jobs=128 --prefix=/home/yansendao/git/dragonwell11/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=/home/yansendao/software/jdk/2024-11/dragonwell-11.0.25.22+9-GA  --with-jtreg=/home/yansendao/software/jdk/jtreg-7     --with-version-opt=b985104e --with-zlib=system --enable-ccache

Compile standalone command:

g++ -MMD -MF /home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/hotspot/variant-server/libjvm/objs/coroutine.d.tmp -fpch-preprocess -I/home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/hotspot/variant-server/libjvm/objs/precompiled -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D_GNU_SOURCE -D_REENTRANT -pipe -fno-rtti -fno-exceptions -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer -fcheck-new -fstack-protector -std=gnu++98 -DLIBC=gnu -DSUPPORTS_CLOCK_MONOTONIC -DLINUX -fPIC -fmacro-prefix-map=/home/yansendao/git/dragonwell11/= -DVM_LITTLE_ENDIAN -D_LP64=1 -fno-delete-null-pointer-checks -fno-lifetime-dse -Wno-format-zero-length -Wtype-limits -Wuninitialized -m64 -DPRODUCT -DTARGET_ARCH_x86 -DINCLUDE_SUFFIX_OS=_linux -DINCLUDE_SUFFIX_CPU=_x86 -DINCLUDE_SUFFIX_COMPILER=_gcc -DTARGET_COMPILER_gcc -DAMD64 -DHOTSPOT_LIB_ARCH='"amd64"' -DCOMPILER1 -DCOMPILER2 -DDTRACE_ENABLED -DINCLUDE_SHENANDOAHGC=0 -I/home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/hotspot/variant-server/gensrc/adfiles -I/home/yansendao/git/dragonwell11/src/hotspot/share -I/home/yansendao/git/dragonwell11/src/hotspot/os/linux -I/home/yansendao/git/dragonwell11/src/hotspot/os/posix -I/home/yansendao/git/dragonwell11/src/hotspot/cpu/x86 -I/home/yansendao/git/dragonwell11/src/hotspot/os_cpu/linux_x86 -I/home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/hotspot/variant-server/gensrc -I/home/yansendao/git/dragonwell11/src/hotspot/share/precompiled -I/home/yansendao/git/dragonwell11/src/hotspot/share/include -I/home/yansendao/git/dragonwell11/src/hotspot/os/posix/include -I/home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/support/modules_include/java.base -I/home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/support/modules_include/java.base/linux -I/home/yansendao/git/dragonwell11/src/java.base/share/native/libjimage -m64 -g -Wno-extra -Wno-all -Werror -O3 -c -o /home/yansendao/git/dragonwell11/build/linux-x86_64-normal-server-release/hotspot/variant-server/libjvm/objs/coroutine.o /home/yansendao/git/dragonwell11/src/hotspot/share/runtime/coroutine.cpp

g++ output:

/home/yansendao/git/dragonwell11/src/hotspot/share/runtime/coroutine.cpp: In static member function ‘static void WispThread::park(long int, const ObjectWaiter*)’:
/home/yansendao/git/dragonwell11/src/hotspot/share/runtime/coroutine.cpp:775:35: error: ‘w.WispPostStealHandleUpdateMark::_hwm’ is used uninitialized [-Werror=uninitialized]
  775 |     WispPostStealHandleUpdateMark w(jt);   // special one, because park() is inside an EnableStealMark, so the _enable_steal_count counter has been added one.
      |                                   ^
/home/yansendao/git/dragonwell11/src/hotspot/share/runtime/coroutine.cpp:775:35: error: ‘w.WispPostStealHandleUpdateMark::_chunk’ is used uninitialized [-Werror=uninitialized]
cc1plus: all warnings being treated as errors

gcc version:

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/home/yansendao/software/gcc/gcc-14.2.0-binary/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.2.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: configure --prefix=/home/yansendao/git/tone-matrix-compiler/csmith/gcc-14.2.0/../gcc-14.2.0-binary --disable-multilib --enable-languages=c,c++,objc,obj-c++,fortran,lto
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.2.0 (GCC) 

make-linux-x86_64-normal-server-release-1.log
make-linux-x86_64-normal-server-release-2.log
hotspot_variant-server_libjvm_objs_coroutine.o.log
configure-command.txt