Already mark as /native:
runtime/Thread/SuspendAtExit.java
runtime/Thread/StopAtExit.java

Needed to mark as /native:
runtime/Thread/AsyncExceptionTest.java
runtime/Thread/AsyncExceptionOnMonitorEnter.java
runtime/Thread/TestBreakSignalThreadDump.java#with_jsig
runtime/Thread/TestBreakSignalThreadDump.java#default


Without -nativepath jtreg option, the test will report test failure, such as:
TEST RESULT: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [1]