The IR framework currently whitelists UseTLAB and as a result, IR verification is enabled even if TLAB allocations are disabled which can lead to failures (because the IR differs).

Since JDK-8310187, test/hotspot/jtreg/compiler/gcbarriers/TestZGCBarrierElision.java fails in compiler stress testing (stress-comp-no-tlab) with -XX:-UseTLAB:

Failed IR Rules (4) of Methods (4)
----------------------------------
1) Method "static void compiler.gcbarriers.TestZGCEffectiveBarrierElision.testAllocateArrayThenStoreAtKnownIndex(compiler.gcbarriers.Outer)" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(applyIfCPUFeatureAnd={}, phase={FINAL_CODE}, applyIf={}, applyIfCPUFeatureOr={}, applyIfCPUFeature={}, counts={"_#C#Z_STORE_P_WITH_BARRIER_FLAG#_", "elided", "1"}, failOn={}, applyIfAnd={}, applyIfOr={}, applyIfNot={})"
     > Phase "Final Code":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(zStoreP\\S*.*)+(\\s){2}===.*barrier\\(\\s*elided\\s*\\))"
           - Failed comparison: [found] 0 = 1 [given]
           - No nodes matched!

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