I get a couple of build errors when building the hotspot/src/cpu/sparc/vm/frame_sparc.cpp:442: error: ���frame nth_sender(int)��� defined but not used hotspot/src/share/vm/runtime/safepoint.cpp:771: error: ���void print_me(intptr_t*, intptr_t*, bool*)��� defined but not used The functions in question are debug functions declared static.