infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-05-12 14:39:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

8006692: jdk/test/java/util/Collections/BigBinarySearch.java fails to compile

Browse Source 
Missing boxing cause spurious inference failure

Reviewed-by: jjg
This commit is contained in:
Maurizio Cimadamore 2013-01-23 15:08:03 +00:00
parent ef9719425e
commit eb646f3c09
2 changed files with 42 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
langtools/src/share/classes/com/sun/tools/javac/comp/Infer.java
View File

@ -321,8 +321,10 @@ public class Infer {
mt.getReturnType() : syms.objectType;
}
Type qtype1 = inferenceContext.asFree(mt.getReturnType(), types);
if (!types.isSubtype(qtype1,
qtype1.hasTag(UNDETVAR) ? types.boxedTypeOrType(to) : to)) {
Warner retWarn = new Warner();
if (!resultInfo.checkContext.compatible(qtype1, qtype1.hasTag(UNDETVAR) ? types.boxedTypeOrType(to) : to, retWarn) ||
//unchecked conversion is not allowed
retWarn.hasLint(Lint.LintCategory.UNCHECKED)) {
throw inferenceException
.setMessage("infer.no.conforming.instance.exists",
inferenceContext.restvars(), mt.getReturnType(), to);

38
langtools/test/tools/javac/generics/inference/8006692/T8006692.java Normal file
View File

@ -0,0 +1,38 @@
/*
* Copyright (c) 2013, 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 8006692
* @summary jdk/test/java/util/Collections/BigBinarySearch.java fails to compile
* @compile T8006692.java
*/
import java.util.*;
class Test {
static void test(List<Integer> l, int i) {
equal(i, Collections.binarySearch(l, l.get(i)));
}
static void equal(Object x, Object y) {}
}