Revert^4 "Allow structural redefinition on non-final classes."

This reverts commit 664999a12d6fc8a8ef5c0519b12ec1e8a51bb085.

Fixed issues with GC and quickened instructions in parent CLs.

Reason for revert: Fixed issues with GC CHECK fail and device SEGVs.

Test: ./test.py --host
Test: ./test.py --target
Bug: 134162467
Bug: 144168550
Change-Id: Ibacddaf45beb72184f97d53d5d048bd442578658
diff --git a/test/2001-virtual-structural-multithread/src-art/art/Test2001.java b/test/2001-virtual-structural-multithread/src-art/art/Test2001.java
new file mode 100644
index 0000000..e6ee0ce
--- /dev/null
+++ b/test/2001-virtual-structural-multithread/src-art/art/Test2001.java
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package art;
+
+import dalvik.system.InMemoryDexClassLoader;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.concurrent.CountDownLatch;
+import java.util.function.Supplier;
+
+public class Test2001 {
+  private static final int NUM_THREADS = 20;
+
+  public static class Transform {
+    public String greetingEnglish;
+
+    public Transform() {
+      this.greetingEnglish = "Hello";
+    }
+
+    public String sayHi() {
+      return greetingEnglish + " from " + Thread.currentThread().getName();
+    }
+  }
+
+  /**
+   * base64 encoded class/dex file for
+   * public static class Transform {
+   *   public String greetingEnglish;
+   *   public String greetingFrench;
+   *   public String greetingDanish;
+   *   public String greetingJapanese;
+   *
+   *   public Transform() {
+   *     this.greetingEnglish = "Hello World";
+   *     this.greetingFrench = "Bonjour le Monde";
+   *     this.greetingDanish = "Hej Verden";
+   *     this.greetingJapanese = "こんにちは世界";
+   *   }
+   *   public String sayHi() {
+   *     return sayHiEnglish() + ", " + sayHiFrench() + ", " + sayHiDanish() + ", " + sayHiJapanese() + " from " + Thread.currentThread().getName();
+   *   }
+   *   public String sayHiEnglish() {
+   *     return greetingEnglish;
+   *   }
+   *   public String sayHiDanish() {
+   *     return greetingDanish;
+   *   }
+   *   public String sayHiJapanese() {
+   *     return greetingJapanese;
+   *   }
+   *   public String sayHiFrench() {
+   *     return greetingFrench;
+   *   }
+   * }
+   */
+  private static final byte[] DEX_BYTES =
+      Base64.getDecoder()
+          .decode(
+              "ZGV4CjAzNQCnKPY06VRa4aM/zFW0MYLmRxT/NtXxD/H4BgAAcAAAAHhWNBIAAAAAAAAAADQGAAAl"
+                  + "AAAAcAAAAAkAAAAEAQAABAAAACgBAAAEAAAAWAEAAAwAAAB4AQAAAQAAANgBAAAABQAA+AEAAEoD"
+                  + "AABSAwAAVgMAAF4DAABwAwAAfAMAAIkDAACMAwAAkAMAAKoDAAC6AwAA3gMAAP4DAAASBAAAJgQA"
+                  + "AEEEAABVBAAAZAQAAG8EAAByBAAAfwQAAIcEAACWBAAAnwQAAK8EAADABAAA0AQAAOIEAADoBAAA"
+                  + "7wQAAPwEAAAKBQAAFwUAACYFAAAwBQAANwUAAMUFAAAIAAAACQAAAAoAAAALAAAADAAAAA0AAAAO"
+                  + "AAAADwAAABIAAAAGAAAABQAAAAAAAAAHAAAABgAAAEQDAAAGAAAABwAAAAAAAAASAAAACAAAAAAA"
+                  + "AAAAAAUAFwAAAAAABQAYAAAAAAAFABkAAAAAAAUAGgAAAAAAAwACAAAAAAAAABwAAAAAAAAAHQAA"
+                  + "AAAAAAAeAAAAAAAAAB8AAAAAAAAAIAAAAAQAAwACAAAABgADAAIAAAAGAAEAFAAAAAYAAAAhAAAA"
+                  + "BwACABUAAAAHAAAAFgAAAAAAAAABAAAABAAAAAAAAAAQAAAAJAYAAOsFAAAAAAAABwABAAIAAAAt"
+                  + "AwAAQQAAAG4QAwAGAAwAbhAEAAYADAFuEAIABgAMAm4QBQAGAAwDcQAKAAAADARuEAsABAAMBCIF"
+                  + "BgBwEAcABQBuIAgABQAaAAEAbiAIAAUAbiAIABUAbiAIAAUAbiAIACUAbiAIAAUAbiAIADUAGgAA"
+                  + "AG4gCAAFAG4gCABFAG4QCQAFAAwAEQAAAAIAAQAAAAAAMQMAAAMAAABUEAAAEQAAAAIAAQAAAAAA"
+                  + "NQMAAAMAAABUEAEAEQAAAAIAAQAAAAAAOQMAAAMAAABUEAIAEQAAAAIAAQAAAAAAPQMAAAMAAABU"
+                  + "EAMAEQAAAAIAAQABAAAAJAMAABQAAABwEAYAAQAaAAUAWxABABoAAwBbEAIAGgAEAFsQAAAaACQA"
+                  + "WxADAA4ACwAOPEtLS0sAEgAOABgADgAVAA4AHgAOABsADgAAAAABAAAABQAGIGZyb20gAAIsIAAG"
+                  + "PGluaXQ+ABBCb25qb3VyIGxlIE1vbmRlAApIZWogVmVyZGVuAAtIZWxsbyBXb3JsZAABTAACTEwA"
+                  + "GExhcnQvVGVzdDIwMDEkVHJhbnNmb3JtOwAOTGFydC9UZXN0MjAwMTsAIkxkYWx2aWsvYW5ub3Rh"
+                  + "dGlvbi9FbmNsb3NpbmdDbGFzczsAHkxkYWx2aWsvYW5ub3RhdGlvbi9Jbm5lckNsYXNzOwASTGph"
+                  + "dmEvbGFuZy9PYmplY3Q7ABJMamF2YS9sYW5nL1N0cmluZzsAGUxqYXZhL2xhbmcvU3RyaW5nQnVp"
+                  + "bGRlcjsAEkxqYXZhL2xhbmcvVGhyZWFkOwANVGVzdDIwMDEuamF2YQAJVHJhbnNmb3JtAAFWAAth"
+                  + "Y2Nlc3NGbGFncwAGYXBwZW5kAA1jdXJyZW50VGhyZWFkAAdnZXROYW1lAA5ncmVldGluZ0Rhbmlz"
+                  + "aAAPZ3JlZXRpbmdFbmdsaXNoAA5ncmVldGluZ0ZyZW5jaAAQZ3JlZXRpbmdKYXBhbmVzZQAEbmFt"
+                  + "ZQAFc2F5SGkAC3NheUhpRGFuaXNoAAxzYXlIaUVuZ2xpc2gAC3NheUhpRnJlbmNoAA1zYXlIaUph"
+                  + "cGFuZXNlAAh0b1N0cmluZwAFdmFsdWUAiwF+fkQ4eyJjb21waWxhdGlvbi1tb2RlIjoiZGVidWci"
+                  + "LCJoYXMtY2hlY2tzdW1zIjpmYWxzZSwibWluLWFwaSI6MSwic2hhLTEiOiJmNjJiOGNlNmEwNTkw"
+                  + "MDU0ZWYzNGExYWVkZTcwYjQ2NjY4ZThiNDlmIiwidmVyc2lvbiI6IjIuMC4xLWRldiJ9AAfjgZPj"
+                  + "gpPjgavjgaHjga/kuJbnlYwAAgIBIhgBAgMCEwQJGxcRAAQBBQABAQEBAQEBAIGABOwFAQH4AwEB"
+                  + "jAUBAaQFAQG8BQEB1AUAAAAAAAAAAgAAANwFAADiBQAAGAYAAAAAAAAAAAAAAAAAABAAAAAAAAAA"
+                  + "AQAAAAAAAAABAAAAJQAAAHAAAAACAAAACQAAAAQBAAADAAAABAAAACgBAAAEAAAABAAAAFgBAAAF"
+                  + "AAAADAAAAHgBAAAGAAAAAQAAANgBAAABIAAABgAAAPgBAAADIAAABgAAACQDAAABEAAAAQAAAEQD"
+                  + "AAACIAAAJQAAAEoDAAAEIAAAAgAAANwFAAAAIAAAAQAAAOsFAAADEAAAAgAAABQGAAAGIAAAAQAA"
+                  + "ACQGAAAAEAAAAQAAADQGAAA=");
+
+  /*
+   * base64 encoded class/dex file for
+    package art;
+    import java.util.function.Supplier;
+    public class SubTransform extends art.Test2001.Transform implements Supplier<String> {
+      public SubTransform() {
+        super();
+      }
+      public String get() {
+        return "from SUBCLASS: " + super.sayHi();
+      }
+    }
+   */
+  private static final byte[] SUB_DEX_BYTES =
+      Base64.getDecoder()
+          .decode(
+              "ZGV4CjAzNQBawzkIDf9khFw00md41U4vIqRuhqBTjM+0BAAAcAAAAHhWNBIAAAAAAAAAAPwDAAAV"
+                  + "AAAAcAAAAAgAAADEAAAABAAAAOQAAAAAAAAAAAAAAAgAAAAUAQAAAQAAAFQBAABAAwAAdAEAAAIC"
+                  + "AAAKAgAADgIAABECAAAVAgAAKQIAAEMCAABiAgAAdgIAAIoCAAClAgAAxAIAAOMCAAD2AgAA+QIA"
+                  + "AAEDAAASAwAAFwMAAB4DAAAoAwAALwMAAAQAAAAFAAAABgAAAAcAAAAIAAAACQAAAAoAAAANAAAA"
+                  + "AgAAAAMAAAAAAAAAAgAAAAQAAAAAAAAAAwAAAAUAAAD8AQAADQAAAAcAAAAAAAAAAAADAAAAAAAA"
+                  + "AAAAEAAAAAAAAQAQAAAAAQADAAAAAAABAAEAEQAAAAUAAwAAAAAABQACAA4AAAAFAAEAEgAAAAAA"
+                  + "AAABAAAAAQAAAPQBAAAMAAAA7AMAAMsDAAAAAAAAAgABAAEAAADpAQAABQAAAG4QAgABAAwAEQAA"
+                  + "AAQAAQACAAAA7QEAABYAAABvEAQAAwAMACIBBQBwEAUAAQAaAg8AbiAGACEAbiAGAAEAbhAHAAEA"
+                  + "DAARAAEAAQABAAAA5AEAAAQAAABwEAMAAAAOAAYADjwABAAOAAkADgAAAAABAAAABgAAAAEAAAAE"
+                  + "AAY8aW5pdD4AAj47AAFMAAJMTAASTGFydC9TdWJUcmFuc2Zvcm07ABhMYXJ0L1Rlc3QyMDAxJFRy"
+                  + "YW5zZm9ybTsAHUxkYWx2aWsvYW5ub3RhdGlvbi9TaWduYXR1cmU7ABJMamF2YS9sYW5nL09iamVj"
+                  + "dDsAEkxqYXZhL2xhbmcvU3RyaW5nOwAZTGphdmEvbGFuZy9TdHJpbmdCdWlsZGVyOwAdTGphdmEv"
+                  + "dXRpbC9mdW5jdGlvbi9TdXBwbGllcjsAHUxqYXZhL3V0aWwvZnVuY3Rpb24vU3VwcGxpZXI8ABFT"
+                  + "dWJUcmFuc2Zvcm0uamF2YQABVgAGYXBwZW5kAA9mcm9tIFNVQkNMQVNTOiAAA2dldAAFc2F5SGkA"
+                  + "CHRvU3RyaW5nAAV2YWx1ZQCLAX5+RDh7ImNvbXBpbGF0aW9uLW1vZGUiOiJkZWJ1ZyIsImhhcy1j"
+                  + "aGVja3N1bXMiOmZhbHNlLCJtaW4tYXBpIjoxLCJzaGEtMSI6ImY2MmI4Y2U2YTA1OTAwNTRlZjM0"
+                  + "YTFhZWRlNzBiNDY2NjhlOGI0OWYiLCJ2ZXJzaW9uIjoiMi4wLjEtZGV2In0AAgIBExwEFwUXCxcI"
+                  + "FwEAAAECAIGABMwDAcEg9AIBAZADAAAAAAAAAQAAAL0DAADkAwAAAAAAAAAAAAAAAAAADwAAAAAA"
+                  + "AAABAAAAAAAAAAEAAAAVAAAAcAAAAAIAAAAIAAAAxAAAAAMAAAAEAAAA5AAAAAUAAAAIAAAAFAEA"
+                  + "AAYAAAABAAAAVAEAAAEgAAADAAAAdAEAAAMgAAADAAAA5AEAAAEQAAACAAAA9AEAAAIgAAAVAAAA"
+                  + "AgIAAAQgAAABAAAAvQMAAAAgAAABAAAAywMAAAMQAAACAAAA4AMAAAYgAAABAAAA7AMAAAAQAAAB"
+                  + "AAAA/AMAAA==");
+
+  public static void run() throws Exception {
+    Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
+    doTest();
+  }
+
+  public static Supplier<String> mkTransform() {
+    try {
+      return (Supplier<String>)
+          (new InMemoryDexClassLoader(
+                  ByteBuffer.wrap(SUB_DEX_BYTES), Test2001.class.getClassLoader())
+              .loadClass("art.SubTransform")
+              .newInstance());
+    } catch (Exception e) {
+      return () -> {
+        return e.toString();
+      };
+    }
+  }
+
+  public static final class MyThread extends Thread {
+    public MyThread(CountDownLatch delay, int id) {
+      super("Thread: " + id);
+      this.thr_id = id;
+      this.results = new ArrayList<>(1000);
+      this.finish = false;
+      this.delay = delay;
+    }
+
+    public void run() {
+      delay.countDown();
+      while (!finish) {
+        Supplier<String> t = mkTransform();
+        results.add(t.get());
+      }
+    }
+
+    public void finish() throws Exception {
+      finish = true;
+      this.join();
+    }
+
+    public void Check() throws Exception {
+      for (String s : results) {
+        if (!s.equals("from SUBCLASS: Hello from " + getName())
+            && !s.equals("from SUBCLASS: Hello, null, null, null from " + getName())
+            && !s.equals(
+                "from SUBCLASS: Hello World, Bonjour le Monde, Hej Verden, こんにちは世界 from "
+                    + getName())) {
+          System.out.println("FAIL " + thr_id + ": Unexpected result: " + s);
+        }
+      }
+    }
+
+    public ArrayList<String> results;
+    public volatile boolean finish;
+    public int thr_id;
+    public CountDownLatch delay;
+  }
+
+  public static MyThread[] startThreads(int num_threads) throws Exception {
+    CountDownLatch cdl = new CountDownLatch(num_threads);
+    MyThread[] res = new MyThread[num_threads];
+    for (int i = 0; i < num_threads; i++) {
+      res[i] = new MyThread(cdl, i);
+      res[i].start();
+    }
+    cdl.await();
+    return res;
+  }
+
+  public static void finishThreads(MyThread[] thrs) throws Exception {
+    for (MyThread t : thrs) {
+      t.finish();
+    }
+    for (MyThread t : thrs) {
+      t.Check();
+    }
+  }
+
+  public static void doTest() throws Exception {
+    MyThread[] threads = startThreads(NUM_THREADS);
+    Redefinition.doCommonStructuralClassRedefinition(Transform.class, DEX_BYTES);
+    finishThreads(threads);
+  }
+}