Implement try/catch/throw in optimizing.

- We currently don't run optimizations in the presence of a try/catch.
- We therefore implement Quick's mapping table.
- Also fix a missing null check on array-length.

Change-Id: I6917dfcb868e75c1cf6eff32b7cbb60b6cfbd68f
diff --git a/test/421-exceptions/src/Main.java b/test/421-exceptions/src/Main.java
new file mode 100644
index 0000000..6bf2377
--- /dev/null
+++ b/test/421-exceptions/src/Main.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+public class Main {
+  public static void $opt$bar() {
+    try {
+      $opt$foo(1);
+    } catch (NullPointerException e) {
+      $opt$foo(2);
+    } catch (RuntimeException e) {
+      $opt$foo(3);
+    } finally {
+      $opt$foo(4);
+    }
+  }
+
+  static int barState;
+  static int fooState;
+
+  public static void main(String[] args) {
+    fooState = 0;
+    $opt$runTest();
+    fooState = 1;
+    $opt$runTest();
+  }
+
+  public static void $opt$runTest() {
+    barState = 1;
+    $opt$bar();
+    barState = 2;
+    $opt$bar();
+    barState = 3;
+    $opt$bar();
+    barState = 4;
+    try {
+      $opt$bar();
+    } catch (RuntimeException e) {
+      System.out.println("Caught " + e.getClass());
+    }
+  }
+
+  public static void $opt$foo(int value) {
+    System.out.println(value);
+    if (value == barState) {
+      if (fooState == 0) {
+        throw new RuntimeException();
+      } else {
+        throw new NullPointerException();
+      }
+    }
+  }
+}