6663588: Compiler goes into infinite loop for Cyclic Inheritance test case

Tue, 04 Mar 2008 15:45:20 +0000

author
mcimadamore
date
Tue, 04 Mar 2008 15:45:20 +0000
changeset 8
38bd6375f37d
parent 7
d472e2fbcc39
child 9
f09d6a3521b1

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 +}

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