Recompiler tests can sometimes fail, likely because of timings:
```
Exception in thread "main" java.lang.RuntimeException: Unexpected post-C/R compilation level expected: 4 but was: 0
at jdk.test.lib.Asserts.fail(Asserts.java:715)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:208)
at RecompilationFlagsTest.exec(RecompilationFlagsTest.java:132)
at jdk.test.lib.crac.CracTest.run(CracTest.java:165)
at jdk.test.lib.crac.CracTest.main(CracTest.java:90)
```