The following two tests fail IR verification with "-ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation" after JDK-8345125

compiler/c2/irTests/TestFloat16ScalarOperations.java

Failed IR Rules (1) of Methods (1)
----------------------------------
1) Method "public void TestFloat16ScalarOperations.testRounding2()" - [Failed IR rules: 1]:
   * @IR rule 2: "@compiler.lib.ir_framework.IR(phase={DEFAULT}, applyIfPlatformAnd={}, applyIfCPUFeatureOr={}, counts={"_#ADD_HF#_", " >0 ", "_#SUB_HF#_", " >0 ", "_#MUL_HF#_", " >0 ", "_#DIV_HF#_", " >0 ", "_#SQRT_HF#_", " >0 ", "_#FMA_HF#_", " >0 "}, failOn={}, applyIfPlatform={}, applyIfPlatformOr={}, applyIfOr={}, applyIfCPUFeatureAnd={"fphp", "true", "asimdhp", "true"}, applyIf={}, applyIfCPUFeature={}, applyIfAnd={}, applyIfNot={})"
     > Phase "PrintIdeal":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(AddHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!
         * Constraint 2: "(\\d+(\\s){2}(SubHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!
         * Constraint 3: "(\\d+(\\s){2}(MulHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!
         * Constraint 4: "(\\d+(\\s){2}(DivHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!
         * Constraint 5: "(\\d+(\\s){2}(SqrtHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!
         * Constraint 6: "(\\d+(\\s){2}(FmaHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 > 0 [given]
           - No nodes matched!

compiler/c2/irTests/MulHFNodeIdealizationTests.java

Failed IR Rules (1) of Methods (1)
----------------------------------
1) Method "public void compiler.c2.irTests.MulHFNodeIdealizationTests.test1()" - [Failed IR rules: 1]:
   * @IR rule 2: "@compiler.lib.ir_framework.IR(phase={DEFAULT}, applyIfPlatformAnd={}, applyIfCPUFeatureOr={}, counts={"_#ADD_HF#_", "1"}, failOn={"_#MUL_HF#_"}, applyIfPlatform={}, applyIfPlatformOr={}, applyIfOr={}, applyIfCPUFeatureAnd={"fphp", "true", "asimdhp", "true"}, applyIf={}, applyIfCPUFeature={}, applyIfAnd={}, applyIfNot={})"
     > Phase "PrintIdeal":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(AddHF.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 = 1 [given]
           - No nodes matched!