Thu, 30 Jul 2009 10:29:53 +0100
6827648: Extremely slow compilation time for visitor pattern code + generics
Summary: Javac unnecessarily recomputates type-substitutions multiple times
Reviewed-by: jjg
1 /*
2 * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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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
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22 */
24 /*
25 * @test
26 *
27 * @bug 6657499
28 * @summary generics: javac 1.6.0 fails to compile class with inner class
29 * @author Maurizio Cimadamore
30 *
31 */
33 public class T6657499<T> {
34 T t;
35 public T test() {
36 class Local {private T t;};
37 class Local2 {T m() {return t;}};
38 T t3 = new Local().t;
39 return new Local2().m();
40 }
41 public static void main(String[] args) {
42 String s = new T6657499<String>().test();
43 }
44 }