java -XX:+UseCountedLoopSafepoints -XX:+PrintFlagsFinal -version | grep LoopStripMiningIter
Java HotSpot(TM) 64-Bit Server VM warning: When counted loop safepoints are enabled, LoopStripMiningIter must be at least 1 (a safepoint every 1 iteration): setting it to 1
    uintx LoopStripMiningIter = 1000 {C2 product} {default}
    uintx LoopStripMiningIterShortLoop = 0 {C2 product} {default}
java version "10-internal"
Java(TM) SE Runtime Environment (fastdebug build 10-internal+0-adhoc.tobias.open)
Java HotSpot(TM) 64-Bit Server VM (fastdebug build 10-internal+0-adhoc.tobias.open, mixed mode)

See also Roland's comment in JDK-8154302.