Relates :
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Test case: java/lang/management/MemoryMXBean/MemoryManagementConcMarkSweepGC.sh The regression is due to optimization I did for ParNew: I moved thread state flushing into a separate method and made it serial (without locking). But when LowMemoryDetector is enabled a "thread-sensitive" code could be executed (like Mutex::owned_by_self()).
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