1 /* 2 * Copyright (C) 2016 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 final class Main { 18 19 /// CHECK-START: void Main.main(String[]) builder (after) 20 /// CHECK: StaticFieldGet klass:Main[] exact: true 21 /// CHECK: ArrayGet klass:Main exact:true 22 /// CHECK: BoundType klass:Main exact:true 23 public static void main(String[] args) { 24 Object o = null; 25 Main f = a[0]; 26 for (int i = 0; i < 2; ++i) { 27 // We used to crash in the fixed point iteration of 28 // the reference type propagation while handling the instanceof: 29 // we were expecting `o` to get the same exact-ness as the 30 // `HBoundType` but the typing of the `ArrayGet` used to not 31 // propagate the exact-ness. 32 if (o instanceof Main) { 33 field = o; 34 } 35 o = f; 36 } 37 if (field != null) { 38 throw new Error("Expected null"); 39 } 40 } 41 42 static Main[] a = new Main[1]; 43 static Object field; 44 } 45
