diff -r 4cbfa5077d68 -r 623722a6aeb9 src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceId.cpp --- a/src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceId.cpp Mon Nov 25 12:32:40 2019 +0100 +++ b/src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceId.cpp Mon Nov 25 12:33:15 2019 +0100 @@ -46,7 +46,7 @@ do { compare_value = *dest; exchange_value = compare_value + 1; - } while (Atomic::cmpxchg(exchange_value, dest, compare_value) != compare_value); + } while (Atomic::cmpxchg(dest, compare_value, exchange_value) != compare_value); return exchange_value; }