gt:                                c.v.a = 3; long val3 = get1();
context: /*
   * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  /*
   * @test TestStableLong
   * @summary tests on stable fields and arrays
   * @library /testlibrary /../../test/lib
   * @build TestStableLong StableConfiguration sun.hotspot.WhiteBox
   * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
   * @run main ClassFileInstaller
   *           java/lang/invoke/StableConfiguration
   *           java/lang/invoke/TestStableLong
   *           java/lang/invoke/TestStableLong$LongStable
   *           java/lang/invoke/TestStableLong$StaticLongStable
   *           java/lang/invoke/TestStableLong$VolatileLongStable
   *           java/lang/invoke/TestStableLong$LongArrayDim1
   *           java/lang/invoke/TestStableLong$LongArrayDim2
   *           java/lang/invoke/TestStableLong$LongArrayDim3
   *           java/lang/invoke/TestStableLong$LongArrayDim4
   *           java/lang/invoke/TestStableLong$ObjectArrayLowerDim0
   *           java/lang/invoke/TestStableLong$ObjectArrayLowerDim1
   *           java/lang/invoke/TestStableLong$NestedStableField
   *           java/lang/invoke/TestStableLong$NestedStableField$A
   *           java/lang/invoke/TestStableLong$NestedStableField1
   *           java/lang/invoke/TestStableLong$NestedStableField1$A
   *           java/lang/invoke/TestStableLong$NestedStableField2
   *           java/lang/invoke/TestStableLong$NestedStableField2$A
   *           java/lang/invoke/TestStableLong$NestedStableField3
   *           java/lang/invoke/TestStableLong$NestedStableField3$A
   *           java/lang/invoke/TestStableLong$DefaultValue
   *           java/lang/invoke/TestStableLong$DefaultStaticValue
   *           java/lang/invoke/TestStableLong$ObjectArrayLowerDim2
   *
   * @run main/othervm -Xbootclasspath/a:.
   *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
   *                   -XX:-TieredCompilation
   *                   -XX:+FoldStableValues
   *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
   *                   java.lang.invoke.TestStableLong
   * @run main/othervm -Xbootclasspath/a:.
   *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
   *                   -XX:-TieredCompilation
   *                   -XX:-FoldStableValues
   *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
   *                   java.lang.invoke.TestStableLong
   *
   * @run main/othervm -Xbootclasspath/a:.
   *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
   *                   -XX:+TieredCompilation -XX:TieredStopAtLevel=1
   *                   -XX:+FoldStableValues
   *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
   *                   java.lang.invoke.TestStableLong
   * @run main/othervm -Xbootclasspath/a:.
   *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
   *                   -XX:+TieredCompilation -XX:TieredStopAtLevel=1
   *                   -XX:-FoldStableValues
   *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
   *                   java.lang.invoke.TestStableLong
   *
   */
  package java.lang.invoke;
  
  import java.lang.reflect.InvocationTargetException;
  
  public class TestStableLong {
      static final boolean isStableEnabled    = StableConfiguration.isStableEnabled;
      static final boolean isServerWithStable = StableConfiguration.isServerWithStable;
  
      public static void main(String[] args) throws Exception {
          run(DefaultValue.class);
          run(LongStable.class);
          run(DefaultStaticValue.class);
          run(StaticLongStable.class);
          run(VolatileLongStable.class);
  
          // @Stable arrays: Dim 1-4
          run(LongArrayDim1.class);
          run(LongArrayDim2.class);
          run(LongArrayDim3.class);
          run(LongArrayDim4.class);
  
          // @Stable Object field: dynamic arrays
          run(ObjectArrayLowerDim0.class);
          run(ObjectArrayLowerDim1.class);
          run(ObjectArrayLowerDim2.class);
  
          // Nested @Stable fields
          run(NestedStableField.class);
          run(NestedStableField1.class);
          run(NestedStableField2.class);
          run(NestedStableField3.class);
  
          if (failed) {
              throw new Error("TEST FAILED");
          }
      }
  
      /* ==================================================== */
  
      static class DefaultValue {
          public @Stable long v;
  
          public static final DefaultValue c = new DefaultValue();
          public static long get() { return c.v; }
          public static void test() throws Exception {
                        long val1 = get();
              c.v = 1L; long val2 = get();
              assertEquals(val1, 0);
              assertEquals(val2, 1L);
          }
      }
  
      /* ==================================================== */
  
      static class LongStable {
          public @Stable long v;
  
          public static final LongStable c = new LongStable();
          public static long get() { return c.v; }
          public static void test() throws Exception {
              c.v = 5;              long val1 = get();
              c.v = Long.MAX_VALUE; long val2 = get();
              assertEquals(val1, 5);
              assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE));
          }
      }
  
      /* ==================================================== */
  
      static class DefaultStaticValue {
          public static @Stable long v;
  
          public static final DefaultStaticValue c = new DefaultStaticValue();
          public static long get() { return c.v; }
          public static void test() throws Exception {
                        long val1 = get();
              c.v = 1L; long val2 = get();
              assertEquals(val1, 0);
              assertEquals(val2, 1L);
          }
      }
  
      /* ==================================================== */
  
      static class StaticLongStable {
          public static @Stable long v;
  
          public static final StaticLongStable c = new StaticLongStable();
          public static long get() { return c.v; }
          public static void test() throws Exception {
              c.v = 5;              long val1 = get();
              c.v = Long.MAX_VALUE; long val2 = get();
              assertEquals(val1, 5);
              assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE));
          }
      }
  
      /* ==================================================== */
  
      static class VolatileLongStable {
          public @Stable volatile long v;
  
          public static final VolatileLongStable c = new VolatileLongStable();
          public static long get() { return c.v; }
          public static void test() throws Exception {
              c.v = 5;              long val1 = get();
              c.v = Long.MAX_VALUE; long val2 = get();
              assertEquals(val1, 5);
              assertEquals(val2, (isStableEnabled ? 5 : Long.MAX_VALUE));
          }
      }
  
      /* ==================================================== */
      // @Stable array == field && all components are stable
  
      static class LongArrayDim1 {
          public @Stable long[] v;
  
          public static final LongArrayDim1 c = new LongArrayDim1();
          public static long get() { return c.v[0]; }
          public static long get1() { return c.v[10]; }
          public static long[] get2() { return c.v; }
          public static void test() throws Exception {
              {
                  c.v = new long[1]; c.v[0] = 1; long val1 = get();
                                     c.v[0] = 2; long val2 = get();
                  assertEquals(val1, 1);
                  assertEquals(val2, (isServerWithStable ? 1 : 2));
  
                  c.v = new long[1]; c.v[0] = 3; long val3 = get();
                  assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 3));
              }
  
              {
                  c.v = new long[20]; c.v[10] = 1; long val1 = get1();
                                      c.v[10] = 2; long val2 = get1();
                  assertEquals(val1, 1);
                  assertEquals(val2, (isServerWithStable ? 1 : 2));
  
                  c.v = new long[20]; c.v[10] = 3; long val3 = get1();
                  assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 3));
              }
  
              {
                  c.v = new long[1]; long[] val1 = get2();
                  c.v = new long[1]; long[] val2 = get2();
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class LongArrayDim2 {
          public @Stable long[][] v;
  
          public static final LongArrayDim2 c = new LongArrayDim2();
          public static long get() { return c.v[0][0]; }
          public static long[] get1() { return c.v[0]; }
          public static long[][] get2() { return c.v; }
          public static void test() throws Exception {
              {
                  c.v = new long[1][1]; c.v[0][0] = 1; long val1 = get();
                                        c.v[0][0] = 2; long val2 = get();
                  assertEquals(val1, 1);
                  assertEquals(val2, (isServerWithStable ? 1 : 2));
  
                  c.v = new long[1][1]; c.v[0][0] = 3; long val3 = get();
                  assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 3));
  
                  c.v[0] = new long[1]; c.v[0][0] = 4; long val4 = get();
                  assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 4));
              }
  
              {
                  c.v = new long[1][1]; long[] val1 = get1();
                  c.v[0] = new long[1]; long[] val2 = get1();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1]; long[][] val1 = get2();
                  c.v = new long[1][1]; long[][] val2 = get2();
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class LongArrayDim3 {
          public @Stable long[][][] v;
  
          public static final LongArrayDim3 c = new LongArrayDim3();
          public static long get() { return c.v[0][0][0]; }
          public static long[] get1() { return c.v[0][0]; }
          public static long[][] get2() { return c.v[0]; }
          public static long[][][] get3() { return c.v; }
          public static void test() throws Exception {
              {
                  c.v = new long[1][1][1]; c.v[0][0][0] = 1; long val1 = get();
                                           c.v[0][0][0] = 2; long val2 = get();
                  assertEquals(val1, 1);
                  assertEquals(val2, (isServerWithStable ? 1 : 2));
  
                  c.v = new long[1][1][1]; c.v[0][0][0] = 3; long val3 = get();
                  assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 3));
  
                  c.v[0] = new long[1][1]; c.v[0][0][0] = 4; long val4 = get();
                  assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 4));
  
                  c.v[0][0] = new long[1]; c.v[0][0][0] = 5; long val5 = get();
                  assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 5));
              }
  
              {
                  c.v = new long[1][1][1]; long[] val1 = get1();
                  c.v[0][0] = new long[1]; long[] val2 = get1();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1]; long[][] val1 = get2();
                  c.v[0] = new long[1][1]; long[][] val2 = get2();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1]; long[][][] val1 = get3();
                  c.v = new long[1][1][1]; long[][][] val2 = get3();
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class LongArrayDim4 {
          public @Stable long[][][][] v;
  
          public static final LongArrayDim4 c = new LongArrayDim4();
          public static long get() { return c.v[0][0][0][0]; }
          public static long[] get1() { return c.v[0][0][0]; }
          public static long[][] get2() { return c.v[0][0]; }
          public static long[][][] get3() { return c.v[0]; }
          public static long[][][][] get4() { return c.v; }
          public static void test() throws Exception {
              {
                  c.v = new long[1][1][1][1]; c.v[0][0][0][0] = 1; long val1 = get();
                                              c.v[0][0][0][0] = 2; long val2 = get();
                  assertEquals(val1, 1);
                  assertEquals(val2, (isServerWithStable ? 1 : 2));
  
                  c.v = new long[1][1][1][1]; c.v[0][0][0][0] = 3; long val3 = get();
                  assertEquals(val3, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 3));
  
                  c.v[0] = new long[1][1][1]; c.v[0][0][0][0] = 4; long val4 = get();
                  assertEquals(val4, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 4));
  
                  c.v[0][0] = new long[1][1]; c.v[0][0][0][0] = 5; long val5 = get();
                  assertEquals(val5, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 5));
  
                  c.v[0][0][0] = new long[1]; c.v[0][0][0][0] = 6; long val6 = get();
                  assertEquals(val6, (isStableEnabled ? (isServerWithStable ? 1 : 2)
                                                      : 6));
              }
  
              {
                  c.v = new long[1][1][1][1]; long[] val1 = get1();
                  c.v[0][0][0] = new long[1]; long[] val2 = get1();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1][1]; long[][] val1 = get2();
                  c.v[0][0] = new long[1][1]; long[][] val2 = get2();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1][1]; long[][][] val1 = get3();
                  c.v[0] = new long[1][1][1]; long[][][] val2 = get3();
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1][1]; long[][][][] val1 = get4();
                  c.v = new long[1][1][1][1]; long[][][][] val2 = get4();
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
      // Dynamic Dim is higher than static
      static class ObjectArrayLowerDim0 {
          public @Stable Object v;
  
          public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
          public static long get() { return ((long[])c.v)[0]; }
          public static long[] get1() { return (long[])c.v; }
  
          public static void test() throws Exception {
              {
                  c.v = new long[1]; ((long[])c.v)[0] = 1; long val1 = get();
                                     ((long[])c.v)[0] = 2; long val2 = get();
  
                  assertEquals(val1, 1);
                  assertEquals(val2, 2);
              }
  
              {
                  c.v = new long[1]; long[] val1 = get1();
                  c.v = new long[1]; long[] val2 = get1();
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class ObjectArrayLowerDim1 {
          public @Stable Object[] v;
  
          public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
          public static long get() { return ((long[][])c.v)[0][0]; }
          public static long[] get1() { return (long[])(c.v[0]); }
          public static Object[] get2() { return c.v; }
  
          public static void test() throws Exception {
              {
                  c.v = new long[1][1]; ((long[][])c.v)[0][0] = 1; long val1 = get();
                                        ((long[][])c.v)[0][0] = 2; long val2 = get();
  
                  assertEquals(val1, 1);
                  assertEquals(val2, 2);
              }
  
              {
                  c.v = new long[1][1]; c.v[0] = new long[0]; long[] val1 = get1();
                                       c.v[0] = new long[0]; long[] val2 = get1();
  
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[0][0]; Object[] val1 = get2();
                  c.v = new long[0][0]; Object[] val2 = get2();
  
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class ObjectArrayLowerDim2 {
          public @Stable Object[][] v;
  
          public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
          public static long get() { return ((long[][][])c.v)[0][0][0]; }
          public static long[] get1() { return (long[])(c.v[0][0]); }
          public static long[][] get2() { return (long[][])(c.v[0]); }
          public static Object[][] get3() { return c.v; }
  
          public static void test() throws Exception {
              {
                  c.v = new long[1][1][1]; ((long[][][])c.v)[0][0][0] = 1L; long val1 = get();
                                           ((long[][][])c.v)[0][0][0] = 2L; long val2 = get();
  
                  assertEquals(val1, 1L);
                  assertEquals(val2, 2L);
              }
  
              {
                  c.v = new long[1][1][1]; c.v[0][0] = new long[0]; long[] val1 = get1();
                                           c.v[0][0] = new long[0]; long[] val2 = get1();
  
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[1][1][1]; c.v[0] = new long[0][0]; long[][] val1 = get2();
                                           c.v[0] = new long[0][0]; long[][] val2 = get2();
  
                  assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2)));
              }
  
              {
                  c.v = new long[0][0][0]; Object[][] val1 = get3();
                  c.v = new long[0][0][0]; Object[][] val2 = get3();
  
                  assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
              }
          }
      }
  
      /* ==================================================== */
  
      static class NestedStableField {
          static class A {
              public @Stable long a;
  
          }
          public @Stable A v;
  
          public static final NestedStableField c = new NestedStableField();
          public static A get() { return c.v; }
          public static long get1() { return get().a; }
  
          public static void test() throws Exception {
              {
                  c.v = new A(); c.v.a = 1; A val1 = get();
                                 c.v.a = 2; A val2 = get();
  
                  assertEquals(val1.a, 2);
                  assertEquals(val2.a, 2);
              }
  
              {
                  c.v = new A(); c.v.a = 1; long val1 = get1();
                                 c.v.a = 2; long val2 = get1();
                  c.v = new A(); c.v.a = 3; long val3 = get1();
  
                  assertEquals(val1, 1);
                  assertEquals(val2, (isStableEnabled ? 1 : 2));
                  assertEquals(val3, (isStableEnabled ? 1 : 3));
              }
          }
      }
  
      /* ==================================================== */
  
      static class NestedStableField1 {
          static class A {
              public @Stable long a;
              public @Stable A next;
          }
          public @Stable A v;
  
          public static final NestedStableField1 c = new NestedStableField1();
          public static A get() { return c.v.next.next.next.next.next.next.next; }
          public static long get1() { return get().a; }
  
          public static void test() throws Exception {
              {
                  c.v = new A(); c.v.next = new A();   c.v.next.next  = c.v;
                                 c.v.a = 1; c.v.next.a = 1; A val1 = get();
                                 c.v.a = 2; c.v.next.a = 2; A val2 = get();
  
                  assertEquals(val1.a, 2);
                  assertEquals(val2.a, 2);
              }
  
              {
                  c.v = new A(); c.v.next = c.v;
                                 c.v.a = 1; long val1 = get1();
                                 c.v.a = 2; long val2 = get1();
                  c.v = new A(); c.v.next = c.v;
  