A compilation error regression by:

commit 72ebca8a0b19fac8a9483e5a3a98b454176fc342 (HEAD)
Author: Severin Gehwolf <sgehwolf@openjdk.org>
Date: Tue Nov 18 09:42:28 2025 +0000
    8365606: Container code should not be using jlong/julong

src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp:212:10: error: 'is_containerized' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
  212 | bool is_containerized();
      | ^
src/hotspot/os/linux/cgroupSubsystem_linux.hpp:284:18: note: overridden virtual function is here
  284 | virtual bool is_containerized() = 0;
      | ^
In file included from src/hotspot/os/linux/cgroupSubsystem_linux.cpp:27:
src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp:214:18: error: 'container_type' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
  214 | const char * container_type() {
      | ^
src/hotspot/os/linux/cgroupSubsystem_linux.hpp:288:26: note: overridden virtual function is here
  288 | virtual const char * container_type() = 0;
      | ^
In file included from src/hotspot/os/linux/cgroupSubsystem_linux.cpp:27:
src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp:217:54: error: 'memory_controller' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
  217 | CachingCgroupController<CgroupMemoryController>* memory_controller() { return _memory; }
      | ^
src/hotspot/os/linux/cgroupSubsystem_linux.hpp:289:62: note: overridden virtual function is here
  289 | virtual CachingCgroupController<CgroupMemoryController>* memory_controller() = 0;
      | ^
In file included from src/hotspot/os/linux/cgroupSubsystem_linux.cpp:27:
src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp:218:51: error: 'cpu_controller' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
  218 | CachingCgroupController<CgroupCpuController>* cpu_controller() { return _cpu; }
      | ^
src/hotspot/os/linux/cgroupSubsystem_linux.hpp:290:59: note: overridden virtual function is here
  290 | virtual CachingCgroupController<CgroupCpuController>* cpu_controller() = 0;
      | ^
In file included from src/hotspot/os/linux/cgroupSubsystem_linux.cpp:27:
src/hotspot/os/linux/cgroupV1Subsystem_linux.hpp:219:30: error: 'cpuacct_controller' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override 219 | CgroupCpuacctController* cpuacct_controller() { return _cpuacct; }
      | ^
src/hotspot/os/linux/cgroupSubsystem_linux.hpp:291:38: note: overridden virtual function is here
  291 | virtual CgroupCpuacctController* cpuacct_controller() = 0;
      | ^
5 errors generated.
gmake[3]: *** [lib/CompileJvm.gmk:180: build/fastdebug-default-clang/hotspot/variant-server/libjvm/objs/cgroupSubsystem_linux.o] Error 1