1*795d594fSAndroid Build Coastguard Worker /* 2*795d594fSAndroid Build Coastguard Worker * Copyright (C) 2014 The Android Open Source Project 3*795d594fSAndroid Build Coastguard Worker * 4*795d594fSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*795d594fSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*795d594fSAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*795d594fSAndroid Build Coastguard Worker * 8*795d594fSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*795d594fSAndroid Build Coastguard Worker * 10*795d594fSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*795d594fSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*795d594fSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*795d594fSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*795d594fSAndroid Build Coastguard Worker * limitations under the License. 15*795d594fSAndroid Build Coastguard Worker */ 16*795d594fSAndroid Build Coastguard Worker 17*795d594fSAndroid Build Coastguard Worker public class Main { main(String[] args)18*795d594fSAndroid Build Coastguard Worker public static void main(String[] args) { 19*795d594fSAndroid Build Coastguard Worker System.out.println(foo()); 20*795d594fSAndroid Build Coastguard Worker } 21*795d594fSAndroid Build Coastguard Worker foo()22*795d594fSAndroid Build Coastguard Worker public static int foo() { 23*795d594fSAndroid Build Coastguard Worker Main m = new Main(); 24*795d594fSAndroid Build Coastguard Worker int a = m.field; 25*795d594fSAndroid Build Coastguard Worker if (a == 0) { 26*795d594fSAndroid Build Coastguard Worker m.field = 42; 27*795d594fSAndroid Build Coastguard Worker if (m.test) { 28*795d594fSAndroid Build Coastguard Worker a = 3; 29*795d594fSAndroid Build Coastguard Worker } 30*795d594fSAndroid Build Coastguard Worker } 31*795d594fSAndroid Build Coastguard Worker // The compiler used to GVN this field get with the one line 24, 32*795d594fSAndroid Build Coastguard Worker // even though the field is updated in the if. 33*795d594fSAndroid Build Coastguard Worker return m.field; 34*795d594fSAndroid Build Coastguard Worker } 35*795d594fSAndroid Build Coastguard Worker 36*795d594fSAndroid Build Coastguard Worker public int field; 37*795d594fSAndroid Build Coastguard Worker public boolean test = true; 38*795d594fSAndroid Build Coastguard Worker } 39