Valhalla does not support the alternative fast-locking scheme added by JDK-8291555 yet.
            
- relates to
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JDK-8310022 [lworld] C1 compilation asserts with new lightweight locking
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     - Resolved
 
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JDK-8291555 Implement alternative fast-locking scheme
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     - Resolved
 
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- links to
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        Commit(lworld)
        openjdk/valhalla/ad13f8d4
    
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        Review(lworld)
        openjdk/valhalla/1158