/home/staffan/mercurial/jdk9-dev/jdk/src/share/native/sun/tracing/dtrace/JVM.c: In function ‘Java_sun_tracing_dtrace_JVM_defineClass0’:
/home/staffan/mercurial/jdk9-dev/jdk/src/share/native/sun/tracing/dtrace/JVM.c:292:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (len >= sizeof(buf)) {
                 ^
/home/staffan/mercurial/jdk9-dev/jdk/src/share/demo/jvmti/hprof/hprof_init.c: In function ‘connect_to_socket’:
/home/staffan/mercurial/jdk9-dev/jdk/src/share/demo/jvmti/hprof/hprof_init.c:244:5: warning: comparison is always false due to limited range of data type [-Wtype-limits]
     if (port == 0 || port > 65535) {