s390x:

* For target hotspot_variant-server_libjvm_objs_jvmFlagConstraintsCompiler.o:
In file included from /home/buildbot/worker/jdkX-linux/build/src/hotspot/share/code/relocInfo.hpp:427:0,
                 from /home/buildbot/worker/jdkX-linux/build/src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp:26:
/home/buildbot/worker/jdkX-linux/build/src/hotspot/cpu/s390/relocInfo_s390.hpp:119:78: error: 'CodeBlob' has not been declared
   static bool update_oop_pool(address begin, address end, address newTarget, CodeBlob* cb);