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8037947: functional interface causes ClassCastException when extending raw superinterface

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Reviewed-by: mcimadamore
This commit is contained in:
Vicente Romero 2016-06-02 15:39:10 -04:00
parent ca620f07d3
commit 32e8e4695d
2 changed files with 40 additions and 2 deletions
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4
langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2016, 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
@ -509,9 +509,9 @@ public class Types {
//merge thrown types - form the intersection of all the thrown types in
//all the signatures in the list
boolean toErase = !bestSoFar.type.hasTag(FORALL);
List<Type> thrown = null;
Type mt1 = memberType(origin.type, bestSoFar);
boolean toErase = !mt1.hasTag(FORALL);
for (Symbol msym2 : methodSyms) {
Type mt2 = memberType(origin.type, msym2);
List<Type> thrown_mt2 = mt2.getThrownTypes();

38
langtools/test/tools/javac/T8037947/CCEForFunctionalInterExtedingRawSuperInterTest.java Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2016, 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 8037947
* @summary functional interface causes ClassCastException when extending raw superinterface
* @modules jdk.compiler/com.sun.tools.javac.util
* @compile CCEForFunctionalInterExtedingRawSuperInterTest.java
*/
public class CCEForFunctionalInterExtedingRawSuperInterTest {
interface X<A> { <T extends A> void execute(int a); }
interface Y<B> { <S extends B> void execute(int a); }
@FunctionalInterface
interface Exec<A> extends Y, X<A> { }
}