test/tools/javac/BadOptimization/DeadCode2.java

Tue, 11 Aug 2009 01:13:42 +0100

author
mcimadamore
date
Tue, 11 Aug 2009 01:13:42 +0100
changeset 360
62fb6cafa93b
parent 1
9a66ca7c79fa
child 554
9d9f26857129
permissions
-rw-r--r--

6869075: regression: javac crashes when compiling compound string assignment with generics
Summary: javac should not add syntehtic cast to the LHS of an assignment expression
Reviewed-by: jjg

duke@1 1 /*
duke@1 2 * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation.
duke@1 8 *
duke@1 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 13 * accompanied this code).
duke@1 14 *
duke@1 15 * You should have received a copy of the GNU General Public License version
duke@1 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 18 *
duke@1 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 21 * have any questions.
duke@1 22 */
duke@1 23
duke@1 24 /*
duke@1 25 * @test
duke@1 26 * @bug 4057345 4120016 4120014
duke@1 27 * @summary try-catch 2: Verify that overzealous dead-code elimination no
duke@1 28 * longer removes live code.
duke@1 29 * @author dps
duke@1 30 *
duke@1 31 * @run clean DeadCode2
duke@1 32 * @run compile -O DeadCode2.java
duke@1 33 * @run main DeadCode2
duke@1 34 */
duke@1 35
duke@1 36 class cls
duke@1 37 {
duke@1 38 int [] ai = null;
duke@1 39 }
duke@1 40
duke@1 41 public class DeadCode2 extends cls
duke@1 42 {
duke@1 43 int [] bi = null;
duke@1 44
duke@1 45 static int[] func() { return (int[])null; }
duke@1 46
duke@1 47 public static void main(String argv[]) {
duke@1 48 int [] ci = null;
duke@1 49 int m = 0;
duke@1 50 int errcnt = 0;
duke@1 51
duke@1 52 try { int i = func()[m = 7]; }
duke@1 53 catch(Exception e) { System.out.println(e + " found "); errcnt++; }
duke@1 54 try { DeadCode2 ox = new DeadCode2(); int i = ox.ai[m = 7]; }
duke@1 55 catch(Exception e) { System.out.println(e + " found "); errcnt++; }
duke@1 56 try { DeadCode2 ox = new DeadCode2(); int i = ox.bi[m = 7]; }
duke@1 57 catch(Exception e) { System.out.println(e + " found "); errcnt++; }
duke@1 58 try { int i = ci[m = 7]; }
duke@1 59 catch(Exception e) { System.out.println(e + " found "); errcnt++; }
duke@1 60 try { int i = ((int[])null)[0]; }
duke@1 61 catch(Exception e) { System.out.println(e + " found "); errcnt++; }
duke@1 62
duke@1 63 if (errcnt != 5)
duke@1 64 throw new RuntimeException("live code accidentally removed");
duke@1 65 }
duke@1 66 }

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