--- old/src/share/vm/opto/compile.cpp 2015-09-14 20:02:44.707076100 -0700 +++ new/src/share/vm/opto/compile.cpp 2015-09-14 20:02:44.519876100 -0700 @@ -2336,7 +2336,7 @@ debug_only( cfg.verify(); ) } - PhaseChaitin regalloc(unique(), cfg, matcher); + PhaseChaitin regalloc(unique(), cfg, matcher, false); _regalloc = ®alloc; { TracePhase tp("regalloc", &timers[_t_registerAllocation]);