Merge "Add reproduction test for b/120164595"

src/test/java/com/android/tools/r8/regress/b120164595/B120164595.java

diff --git a/src/test/java/com/android/tools/r8/regress/b120164595/B120164595.java b/src/test/java/com/android/tools/r8/regress/b120164595/B120164595.java
new file mode 100644
index 0000000..25daf97
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/regress/b120164595/B120164595.java
@@ -0,0 +1,78 @@
+// Copyright (c) 2019 the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+package com.android.tools.r8.regress.b120164595;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.D8Command;
+import com.android.tools.r8.OutputMode;
+import com.android.tools.r8.ToolHelper;
+import com.android.tools.r8.ToolHelper.DexVm;
+import com.android.tools.r8.origin.Origin;
+import com.android.tools.r8.utils.AndroidApp;
+import com.google.common.collect.ImmutableList;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.concurrent.ExecutionException;
+import org.junit.Assume;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.rules.TemporaryFolder;
+
+/**
+ * Regression test for art issue with multi catch-handlers.
+ * The problem is that if d8/r8 creates the same target address for two different exceptions,
+ * art will use that address to check if it was already handled.
+ */
+class TestClass {
+  public static void main(String[] args) {
+    for (int i = 0; i < 20000; i++) {
+      toBeOptimized();
+    }
+  }
+
+  private static void toBeOptimized() {
+    try {
+      willThrow();
+    } catch (IllegalStateException | NullPointerException e) {
+      if (e instanceof NullPointerException) {
+        return;
+      }
+      throw new Error("Expected NullPointerException");
+    }
+  }
+
+  private static void willThrow() {
+    throw new NullPointerException();
+  }
+}
+
+public class B120164595 {
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  @Test
+  public void regress()
+      throws IOException, CompilationFailedException, ExecutionException {
+     AndroidApp app =
+        ToolHelper.runD8(
+            D8Command.builder()
+                .addClassProgramData(ToolHelper.getClassAsBytes(
+                    TestClass.class), Origin.unknown()));
+    TemporaryFolder temp = ToolHelper.getTemporaryFolderForTest();
+    temp.create();
+    Path outDex = temp.getRoot().toPath().resolve("dex.zip");
+    app.writeToZip(outDex, OutputMode.DexIndexed);
+    // TODO(120164595): Remove when workaround lands.
+    thrown.expect(Throwable.class);
+    ToolHelper.runArtNoVerificationErrors(
+        ImmutableList.of(outDex.toString()),
+        TestClass.class.getCanonicalName(),
+        builder -> {
+          builder.appendArtOption("-Xusejit:true");
+        },
+        DexVm.ART_9_0_0_HOST);
+  }
+}