# HG changeset patch # User pgovereau # Date 1399066523 -3600 # Node ID 440746208be792a6bf14519006dfed7facf9ff4d # Parent 0d1f816217dce5e72187f167cc1816080cbeb453 8033437: javac, inconsistent generic types behaviour when compiling together vs. separate Reviewed-by: jjg Contributed-by: vicente.romero@oracle.com, paul.govereau@oracle.com diff -r 0d1f816217dc -r 440746208be7 langtools/src/share/classes/com/sun/tools/javac/code/Types.java --- a/langtools/src/share/classes/com/sun/tools/javac/code/Types.java Wed Jul 05 19:39:35 2017 +0200 +++ b/langtools/src/share/classes/com/sun/tools/javac/code/Types.java Fri May 02 22:35:23 2014 +0100 @@ -3929,8 +3929,13 @@ Si.lower = Ti.getSuperBound(); break; } - if (Si.bound == Si.lower) + Type tmpBound = Si.bound.hasTag(UNDETVAR) ? ((UndetVar)Si.bound).qtype : Si.bound; + Type tmpLower = Si.lower.hasTag(UNDETVAR) ? ((UndetVar)Si.lower).qtype : Si.lower; + if (!Si.bound.hasTag(ERROR) && + !Si.lower.hasTag(ERROR) && + isSameType(tmpBound, tmpLower, false)) { currentS.head = Si.bound; + } } currentA = currentA.tail; currentT = currentT.tail; diff -r 0d1f816217dc -r 440746208be7 langtools/test/tools/javac/generics/wildcards/RefQueue.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/langtools/test/tools/javac/generics/wildcards/RefQueue.java Fri May 02 22:35:23 2014 +0100 @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +public class RefQueue { } diff -r 0d1f816217dc -r 440746208be7 langtools/test/tools/javac/generics/wildcards/RefQueueBug.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/langtools/test/tools/javac/generics/wildcards/RefQueueBug.java Fri May 02 22:35:23 2014 +0100 @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8033437 + * @summary inconsistent generic types behaviour when compiling together vs. separate + * @compile RefQueue.java + * @compile RefQueueBug.java + */ + +public class RefQueueBug { + final RefQueue queue = new RefQueue<>(); + public static void main(String[] args) { + RefQueueBug r = new RefQueueBug<>(); + RefQueue q = r.queue; + } +}