Newly added test fails on x86_32:

$ CONF=linux-x86-server-fastdebug make test TEST=compiler/vectorization/TestReverseBitsVector.java

Failed IR Rules (2) of Methods (2)
----------------------------------
1) Method "public void compiler.vectorization.TestReverseBitsVector.test_reverse_int1(int[],int[])" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(applyIfCPUFeatureAnd={}, applyIf={}, applyIfCPUFeatureOr={}, applyIfCPUFeature={"avx2", "true"}, counts={"ReverseV", " > 0 "}, applyIfAnd={}, failOn={}, applyIfOr={}, applyIfNot={})"
     - counts: Graph contains wrong number of nodes:
       * Regex 1: ReverseV
         - Failed comparison: [found] 0 > 0 [given]
         - No nodes matched!

2) Method "public void compiler.vectorization.TestReverseBitsVector.test_reverse_long1(long[],long[])" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(applyIfCPUFeatureAnd={}, applyIf={}, applyIfCPUFeatureOr={}, applyIfCPUFeature={"avx2", "true"}, counts={"ReverseV", " > 0 "}, applyIfAnd={}, failOn={}, applyIfOr={}, applyIfNot={})"
     - counts: Graph contains wrong number of nodes:
       * Regex 1: ReverseV
         - Failed comparison: [found] 0 > 0 [given]
         - No nodes matched!