x86_32, arm32-hflt:

1) ----------------------------------------------------------------------------------------------------------
/pool/buildbot/slaves/sobornost/jdkX/build/src/hotspot/share/jfr/utilities/jfrAllocation.cpp: In function 'void subtract(size_t)':
/pool/buildbot/slaves/sobornost/jdkX/build/src/hotspot/share/jfr/utilities/jfrAllocation.cpp:69:87: error: format '%lld' expects argument of type 'long long int', but argument 2 has type 'size_t {aka unsigned int}' [-Werror=format=]
     log_trace(jfr, system)("Total dealloc [" JLONG_FORMAT "] bytes", total_deallocated);
                                                                                       ^
/pool/buildbot/slaves/sobornost/jdkX/build/src/hotspot/share/jfr/utilities/jfrAllocation.cpp:70:86: error: format '%lld' expects argument of type 'long long int', but argument 2 has type 'size_t {aka unsigned int}' [-Werror=format=]
     log_trace(jfr, system)("Liveset:      [" JLONG_FORMAT "] bytes", current_live_set);
                                                                                      ^
2) ----------------------------------------------------------------------------------------------------------

/home/shade/jdk-jdk/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp: In function ���u1* new_bytes_for_lazy_instrumentation(const InstanceKlass*, const ClassFileParser&, jint&, Thread*)���:
/home/shade/jdk-jdk/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp:1235:34: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
   assert(writer.current_offset() == orig_access_flag_offset, "invariant"); // same positions
          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~
/home/shade/jdk-jdk/src/hotspot/share/utilities/debug.hpp:55:9: note: in definition of macro ���vmassert���
   if (!(p)) {                                                                  \
         ^
/home/shade/jdk-jdk/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp:1235:3: note: in expansion of macro ���assert���
   assert(writer.current_offset() == orig_access_flag_offset, "invariant"); // same positions
   ... (rest of output omitted)

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

/home/shade/jdk-jdk/build/linux-x86-normal-server-fastdebug/hotspot/variant-server/libjvm/objs/jfrStringPoolBuffer.o: In function `unsigned long long Atomic::FetchAndAdd<Atomic::PlatformAdd<8u> >::operator()<unsigned long long, unsigned long long>(unsigned long long, unsigned long long volatile*, atomic_memory_order) const':
/home/shade/jdk-jdk/src/hotspot/share/runtime/atomic.hpp:670: undefined reference to `unsigned long long Atomic::PlatformAdd<8u>::fetch_and_add<unsigned long long, unsigned long long>(unsigned long long, unsigned long long volatile*, atomic_memory_order) const'