1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 public class Main {
main(String[] args)18   public static void main(String[] args) {
19     // The following is a simple static field getter that can be inlined, referenced
20     // through a subclass with the declaring class having no TypeId in current DexFile.
21     // When we inline this getter, we're left with HLoadClass+HClinitCheck which cannot
22     // be merged back to the InvokeStaticOrDirect for implicit class init check.
23     // The declaring class is in the boot image, so the LoadClass can load it using the
24     // .data.img.rel.ro section. However, the ClinitCheck entrypoint was previously
25     // taking a type index of the declaring class and since we did not have a valid
26     // TypeId in the current DexFile, we erroneously provided the type index from the
27     // declaring DexFile and that caused a crash. This was fixed by changing the
28     // ClinitCheck entrypoint to take the Class reference from LoadClass.
29     boolean placeholder = MyCalendarUtils.isJulianLeapYear(-43);
30   }
31 }
32