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 -XX:CompileCommand=exclude,Test8002069.dummy Test8002069 31 */ 32 33 abstract class O { 34 int f; 35 public O() { f = 5; } 36 abstract void put(int i); 37 public int foo(int i) { 38 put(i); 39 return i; 40 } 41 }; 42 43 class A extends O { 44 int[] a; 45 public A(int s) { 46 a = new int[s]; 47 } 48 public void put(int i) { 49 a[i%a.length] = i; 50 } 51 } 52 53 class B extends O { 54 int sz; 55 int[] a; 56 public B(int s) { 57 sz = s; 58 a = new int[s]; 59 } 60 public void put(int i) { 61 a[i%sz] = i; 62 } 63 } 64 65 public class Test8002069 { 66 public static void main(String args[]) { 67 int sum = 0; 68 for (int i=0; i<8000; i++) { 69 sum += test1(i); 70 } 71 for (int i=0; i<100000; i++) { 72 sum += test2(i); 73 } 74 System.out.println("PASSED. sum = " + sum); 75 } 76 77 private O o; 78 79 private int foo(int i) { 80 return o.foo(i); 81 } 82 static int test1(int i) { 83 Test8002069 t = new Test8002069(); 84 t.o = new A(5); 85 return t.foo(i); 86 } 87 static int test2(int i) { 88 Test8002069 t = new Test8002069(); 89 t.o = new B(5); 90 dummy(i); 91 return t.foo(i); 92 } 93 94 static int dummy(int i) { 95 return i*2; 96 } 97 } 98