Bug fix for polymorphic inlining.

The code used to wrongly propagate try/catch information to
new blocks. Since it has the same logic as Hraph::InlineInto,
extract the code that updates loop and try/catch information
to blocks to a shared method.

bug:27330865
bug:27372101
bug:27360329

Change-Id: I4386f724d8d412bde5bcc04fda6955bc3bacf5a9
diff --git a/test/578-polymorphic-inlining/src/Main.java b/test/578-polymorphic-inlining/src/Main.java
new file mode 100644
index 0000000..22d33d0
--- /dev/null
+++ b/test/578-polymorphic-inlining/src/Main.java
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+public class Main {
+  public static void main(String[] args) {
+    for (int i = 0; i < 20000; ++i) {
+      $noinline$testInTryCatch(new Main(), i);
+      $noinline$testInTryCatch(new SubMain(), i);
+    }
+  }
+
+  public static void $noinline$testInTryCatch(Main m, int i) {
+    final int value;
+    try {
+      throw new Exception();
+    } catch (Exception e) {
+      // The polymorphic inlining of 'willInlineVoid' used to generate an
+      // incorrect graph, by setting the inlined blocks as catch blocks.
+      m.willInlineVoid(i);
+      return;
+    }
+  }
+
+  public void willInlineVoid(int i) {
+    if (i == 0) {
+      $noinline$foo();
+    } else {
+      $noinline$foo();
+      $noinline$foo();
+    }
+  }
+
+  public static void $noinline$foo() {
+    if (doThrow) throw new Error("");
+  }
+
+  public static boolean doThrow;
+}
+
+class SubMain extends Main {
+  public void willInlineVoid(int i) {
+  }
+}