1 /* 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8002069 28 * @summary Assert failed in C2: assert(field->edge_count() > 0) failed: sanity 29 * 30 * @run main/othervm -Xmx32m -XX:+IgnoreUnrecognizedVMOptions -Xbatch 31 * -XX:CompileCommand=exclude,compiler.c2.Test8002069::dummy 32 * compiler.c2.Test8002069 33 */ 34 35 package compiler.c2; 36 37 public class Test8002069 { 38 static abstract class O { 39 int f; 40 41 public O() { 42 f = 5; 43 } 44 45 abstract void put(int i); 46 47 public int foo(int i) { 48 put(i); 49 return i; 50 } 51 } 52 53 static class A extends O { 54 int[] a; 55 56 public A(int s) { 57 a = new int[s]; 58 } 59 60 public void put(int i) { 61 a[i % a.length] = i; 62 } 63 } 64 65 static class B extends O { 66 int sz; 67 int[] a; 68 69 public B(int s) { 70 sz = s; 71 a = new int[s]; 72 } 73 74 public void put(int i) { 75 a[i % sz] = i; 76 } 77 } 78 79 public static void main(String args[]) { 80 int sum = 0; 81 for (int i = 0; i < 8000; i++) { 82 sum += test1(i); 83 } 84 for (int i = 0; i < 100000; i++) { 85 sum += test2(i); 86 } 87 System.out.println("PASSED. sum = " + sum); 88 } 89 90 private O o; 91 92 private int foo(int i) { 93 return o.foo(i); 94 } 95 96 static int test1(int i) { 97 Test8002069 t = new Test8002069(); 98 t.o = new A(5); 99 return t.foo(i); 100 } 101 102 static int test2(int i) { 103 Test8002069 t = new Test8002069(); 104 t.o = new B(5); 105 dummy(i); 106 return t.foo(i); 107 } 108 109 static int dummy(int i) { 110 return i * 2; 111 } 112 } 113