Tue, 04 Mar 2008 15:45:20 +0000
6663588: Compiler goes into infinite loop for Cyclic Inheritance test case
Summary: interplay between cyclic inheritance and tvar bounds hangs javac
Reviewed-by: jjg
src/share/classes/com/sun/tools/javac/comp/MemberEnter.java | file | annotate | diff | comparison | revisions | |
test/tools/javac/T6663588.java | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java Tue Mar 04 15:19:06 2008 +0000 1.2 +++ b/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java Tue Mar 04 15:45:20 2008 +0000 1.3 @@ -901,10 +901,10 @@ 1.4 c.flags_field |= DEPRECATED; 1.5 annotateLater(tree.mods.annotations, baseEnv, c); 1.6 1.7 + chk.checkNonCyclic(tree.pos(), c.type); 1.8 + 1.9 attr.attribTypeVariables(tree.typarams, baseEnv); 1.10 1.11 - chk.checkNonCyclic(tree.pos(), c.type); 1.12 - 1.13 // Add default constructor if needed. 1.14 if ((c.flags() & INTERFACE) == 0 && 1.15 !TreeInfo.hasConstructors(tree.defs)) {
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/tools/javac/T6663588.java Tue Mar 04 15:45:20 2008 +0000 2.3 @@ -0,0 +1,34 @@ 2.4 +/* 2.5 + * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved. 2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2.7 + * 2.8 + * This code is free software; you can redistribute it and/or modify it 2.9 + * under the terms of the GNU General Public License version 2 only, as 2.10 + * published by the Free Software Foundation. 2.11 + * 2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 2.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 2.15 + * version 2 for more details (a copy is included in the LICENSE file that 2.16 + * accompanied this code). 2.17 + * 2.18 + * You should have received a copy of the GNU General Public License version 2.19 + * 2 along with this work; if not, write to the Free Software Foundation, 2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2.21 + * 2.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 2.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 2.24 + * have any questions. 2.25 + */ 2.26 + 2.27 +/* 2.28 + * @test 2.29 + * @bug 6663588 2.30 + * @summary Compiler goes into infinite loop for Cyclic Inheritance test case 2.31 + * @author Maurizio Cimadamore 2.32 + * @compile/fail T6663588.java 2.33 + */ 2.34 + 2.35 +public class T6663588<T extends T6663588.Inner> extends T6663588 { 2.36 + class Inner extends T6663588.Inner {} 2.37 +}