A number of tests are failing in the JDK16 CI in Tier1:

Exception in thread "main" jdk.vm.ci.common.JVMCIError: VM config values not expected to be present in JDK 16 darwin-amd64 (java.home=/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-16+13-510/macosx-x64-debug.jdk/jdk-16/fastdebug, java.vm.name=Java HotSpot(TM) 64-Bit Server VM, java.vm.version=16-ea+13-510):
    CodeInstaller::DEOPT_MH_HANDLER_ENTRY at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:901) [value: 25]
    vmIntrinsics::FIRST_MH_SIG_POLY at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:915) [value: 305]
    vmIntrinsics::LAST_MH_SIG_POLY at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:916) [value: 310]
    vmIntrinsics::_compiledLambdaForm at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:918) [value: 311]
    vmIntrinsics::_invokeGeneric at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:917) [value: 305]
at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfigAccess.reportErrors(GraalHotSpotVMConfigAccess.java:227)
at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.<init>(GraalHotSpotVMConfig.java:66)
at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.AOTGraalHotSpotVMConfig.<init>(AOTGraalHotSpotVMConfig.java:36)
at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.HotSpotGraalRuntime.<init>(HotSpotGraalRuntime.java:164)
at jdk.internal.vm.compiler@16-ea/org.graalvm.compiler.hotspot.HotSpotGraalCompilerFactory.createCompiler(HotSpotGraalCompilerFactory.java:156)
at jdk.aot@16-ea/jdk.tools.jaotc.Main.run(Main.java:178)
at jdk.aot@16-ea/jdk.tools.jaotc.Main.run(Main.java:135)
at jdk.aot@16-ea/jdk.tools.jaotc.Main.main(Main.java:91)

[2020-08-25T20:53:50.027360Z] Waiting for completion for process 19669
[2020-08-25T20:53:50.027521Z] Waiting for completion finished for process 19669
[2020-08-25T20:53:50.027674Z] Waiting for completion for process 19669
[2020-08-25T20:53:50.027752Z] Waiting for completion finished for process 19669
----------System.err:(34/2923)----------