1) ------------------------------------------------------

In file included from /pool/buildbot/slaves/sobornost/jdkX/build/src/hotspot/share/jfr/jfrEvents.hpp:32:0,
                 from /pool/buildbot/slaves/sobornost/jdkX/build/src/hotspot/share/gc/shared/ageTableTracer.cpp:28:
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9716:25: error: 'Method' does not name a type
   void set_method(const Method*) { }
                         ^~~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9750:11: error: 'Klass' does not name a type
     const Klass*,
           ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9753:30: error: 'Klass' does not name a type
   void set_parkedClass(const Klass*) { }
                              ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9763:11: error: 'Klass' does not name a type
     const Klass*,
           ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9766:31: error: 'Klass' does not name a type
   void set_monitorClass(const Klass*) { }
                               ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9776:11: error: 'Klass' does not name a type
     const Klass*,
           ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9781:31: error: 'Klass' does not name a type
   void set_monitorClass(const Klass*) { }
                               ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9793:11: error: 'Klass' does not name a type
     const Klass*,
           ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9796:31: error: 'Klass' does not name a type
   void set_monitorClass(const Klass*) { }
                               ^~~~~
/pool/buildbot/slaves/sobornost/jdkX/build/build/linux-x86-normal-minimal-fastdebug/hotspot/variant-minimal/gensrc/jfrfiles/jfrEventClasses.hpp:9806:11: error: 'Klass' does not name a type
     const Klass*,
           ^~~~~

2) ---------------------------------------------------------

* For target hotspot_variant-minimal_libjvm_objs_gcTrace.o:
In file included from /home/shade/jdk-jdk/src/hotspot/share/gc/shared/copyFailedInfo.hpp:28:0,
                 from /home/shade/jdk-jdk/src/hotspot/share/gc/shared/gcTrace.cpp:26:
/home/shade/jdk-jdk/src/hotspot/share/jfr/support/jfrThreadId.hpp:35:9: error: ‘u8’ does not name a type
 typedef u8 traceid;
         ^~

3) ---------------------------------------------------------

/home/shade/jdk-jdk/src/hotspot/share/runtime/java.cpp: In function ‘void before_exit(JavaThread*)’:
/home/shade/jdk-jdk/src/hotspot/share/runtime/java.cpp:467:3: error: ‘EventThreadEnd’ was not declared in this scope
   EventThreadEnd event;
   ^~~~~~~~~~~~~~
/home/shade/jdk-jdk/src/hotspot/share/runtime/java.cpp:468:7: error: ‘event’ was not declared in this scope
   if (event.should_commit()) {
       ^~~~~