JDK-8343420 un-problem-listed TestG1BarrierGeneration but it still fails:

-ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation

One or more @IR rules failed:

Failed IR Rules (2) of Methods (2)
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1) Method "public static void compiler.gcbarriers.TestG1BarrierGeneration.testArrayStore(java.lang.Object[],int,java.lang.Object)" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(phase={FINAL_CODE}, applyIfPlatformAnd={}, applyIfCPUFeatureOr={}, counts={"_#C#G1_STORE_P_WITH_BARRIER_FLAG#_", "pre post", "1"}, applyIfPlatformOr={}, failOn={}, applyIfPlatform={}, applyIfOr={}, applyIfCPUFeatureAnd={}, applyIf={"UseCompressedOops", "false"}, applyIfCPUFeature={}, applyIfAnd={}, applyIfNot={})"
     > Phase "Final Code":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(g1StoreP\\S*.*)+(\\s){2}===.*barrier\\(\\s*pre post\\s*\\))"
           - Failed comparison: [found] 0 = 1 [given]
           - No nodes matched!

2) Method "public static void compiler.gcbarriers.TestG1BarrierGeneration.testArrayStoreTwice(java.lang.Object[],java.lang.Object[],int,java.lang.Object)" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(phase={FINAL_CODE}, applyIfPlatformAnd={}, applyIfCPUFeatureOr={}, counts={"_#C#G1_STORE_P_WITH_BARRIER_FLAG#_", "pre post", "2"}, applyIfPlatformOr={}, failOn={}, applyIfPlatform={}, applyIfOr={}, applyIfCPUFeatureAnd={}, applyIf={"UseCompressedOops", "false"}, applyIfCPUFeature={}, applyIfAnd={}, applyIfNot={})"
     > Phase "Final Code":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(g1StoreP\\S*.*)+(\\s){2}===.*barrier\\(\\s*pre post\\s*\\))"
           - Failed comparison: [found] 0 = 2 [given]
           - No nodes matched!