jdk8-mips64-public/langtools: test/tools/javac/foreach/Foreach.java@ec29a1a284ca

6682380: Foreach loop with generics inside finally block crashes javac with -target 1.5
Summary: A missing type-erasure in Lower.java causes the compiler to crash since JDK6
Reviewed-by: jjg

     1 /*

     2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 4855355

    27  * @summary implement "foreach" loops as specified in JSR 201

    28  * @author gafter

    29  *

    30  * @compile -source 1.5 Foreach.java

    31  * @run main Foreach

    32  */

    34 import java.util.Iterator;

    36 public class Foreach implements Iterable<Integer> {

    38     public Iterator<Integer> iterator() {

    39         return new Iterator<Integer>() {

    40             int next = 1;

    41             public boolean hasNext() {

    42                 return next <= (1 << 12);

    43             }

    44             public void remove() {

    45                 throw new UnsupportedOperationException();

    46             }

    47             public Integer next() {

    48                 try {

    49                     return new Integer(next);

    50                 } finally {

    51                     next <<= 1;

    52                 }

    53             }

    54         };

    55     }

    57     public static void main(String[] args) {

    58         int sum;

    60         sum = 0;

    61         int[] a = new int[12];

    62         for (int i=0; i<12; i++) a[i] = 1<<i;

    63         for (int i : a) {

    64             if (i > 400) break;

    65             if (i == 16) continue;

    66             sum += i;

    67         }

    68         if (sum != 495)

    69             throw new AssertionError("cogito ergo " + sum);

    71         sum = 0;

    72         Iterable<Integer> x = new Foreach();

    73         for (Integer j : x)

    74             sum += j.intValue();

    75         if (sum != 8191)

    76             throw new AssertionError("cogito ergo " + sum);

    78         System.out.println("success!");

    79     }

    80 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/foreach/Foreach.java@ec29a1a284ca

test/tools/javac/foreach/Foreach.java