After JDK-8223050, bootstrapping Graal now causes an assertion:

java -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:+BootstrapJVMCI -version
Bootstrapping JVMCI.[Use -Dgraal.LogFile=<path> to redirect Graal log output to a file.]
Thread[JVMCI CompilerThread0,9,system]: Compilation of org.graalvm.compiler.phases.common.util.EconomicSetNodeEventListener.changed(Graph$NodeEvent, Node) failed:
org.graalvm.compiler.graph.GraalGraphError: java.lang.InternalError: Effectively static method org.graalvm.compiler.graph.Node.int org.graalvm.compiler.graph.Node.hashCode() should be handled in Java code
at node: 75|LoadMethod
at exact jdk.internal.vm.compiler.collections.EconomicMapImpl.getHashIndex(Object):int
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.tryCanonicalize(CanonicalizerPhase.java:340)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.processNode(CanonicalizerPhase.java:262)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.processWorkSet(CanonicalizerPhase.java:241)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.run(CanonicalizerPhase.java:211)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.Phase.run(Phase.java:49)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.BasePhase.apply(BasePhase.java:197)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.Phase.apply(Phase.java:42)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(CanonicalizerPhase.java:149)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(CanonicalizerPhase.java:145)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.inlining.walker.InliningData.doInline(InliningData.java:420)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.inlining.walker.InliningData.tryToInline(InliningData.java:464)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.inlining.walker.InliningData.moveForward(InliningData.java:754)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.inlining.InliningPhase.run(InliningPhase.java:100)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.inlining.InliningPhase.run(InliningPhase.java:40)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.BasePhase.apply(BasePhase.java:197)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.BasePhase.apply(BasePhase.java:139)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.PhaseSuite.run(PhaseSuite.java:212)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.BasePhase.apply(BasePhase.java:197)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.BasePhase.apply(BasePhase.java:139)
at jdk.internal.vm.compiler/org.graalvm.compiler.core.GraalCompiler.emitFrontEnd(GraalCompiler.java:220)
at jdk.internal.vm.compiler/org.graalvm.compiler.core.GraalCompiler.compile(GraalCompiler.java:144)
at jdk.internal.vm.compiler/org.graalvm.compiler.core.GraalCompiler.compileGraph(GraalCompiler.java:129)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileHelper(HotSpotGraalCompiler.java:212)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compile(HotSpotGraalCompiler.java:226)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(CompilationTask.java:159)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(CompilationTask.java:80)
at jdk.internal.vm.compiler/org.graalvm.compiler.core.CompilationWrapper.run(CompilationWrapper.java:177)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.CompilationTask.runCompilation(CompilationTask.java:315)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(HotSpotGraalCompiler.java:142)
at jdk.internal.vm.compiler/org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(HotSpotGraalCompiler.java:108)
at jdk.internal.vm.ci/jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.compileMethod(HotSpotJVMCIRuntime.java:693)
Caused by: java.lang.InternalError: Effectively static method org.graalvm.compiler.graph.Node.int org.graalvm.compiler.graph.Node.hashCode() should be handled in Java code
at jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVM.findUniqueConcreteMethod(Native Method)
at jdk.internal.vm.ci/jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.uniqueConcreteMethod(HotSpotResolvedJavaMethodImpl.java:427)
at jdk.internal.vm.ci/jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl.findUniqueConcreteMethod(HotSpotResolvedObjectTypeImpl.java:587)
at jdk.internal.vm.compiler/org.graalvm.compiler.nodes.extended.LoadMethodNode.canonical(LoadMethodNode.java:100)
at jdk.internal.vm.compiler/org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.tryCanonicalize(CanonicalizerPhase.java:335)
... 30 more