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8011376: Spurious checked exception errors in nested method call

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Fallback attribution logic doesn't work properly when lambda throws checked exceptions

Reviewed-by: jjg
This commit is contained in:
Maurizio Cimadamore 2013-04-15 14:15:07 +01:00
parent 2b94dbb504
commit e59fd44a73
2 changed files with 47 additions and 4 deletions
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12
langtools/src/share/classes/com/sun/tools/javac/comp/Attr.java
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@ -2455,20 +2455,24 @@ public class Attr extends JCTree.Visitor {
argtypes.append(param.vartype.type) :
argtypes.append(syms.errType);
}
return new MethodType(argtypes, Type.recoveryType, List.<Type>nil(), syms.methodClass);
return new MethodType(argtypes, Type.recoveryType,
List.of(syms.throwableType), syms.methodClass);
case REFERENCE:
return new MethodType(List.<Type>nil(), Type.recoveryType, List.<Type>nil(), syms.methodClass);
return new MethodType(List.<Type>nil(), Type.recoveryType,
List.of(syms.throwableType), syms.methodClass);
default:
Assert.error("Cannot get here!");
}
return null;
}
private void checkAccessibleTypes(final DiagnosticPosition pos, final Env<AttrContext> env, final InferenceContext inferenceContext, final Type... ts) {
private void checkAccessibleTypes(final DiagnosticPosition pos, final Env<AttrContext> env,
final InferenceContext inferenceContext, final Type... ts) {
checkAccessibleTypes(pos, env, inferenceContext, List.from(ts));
}
private void checkAccessibleTypes(final DiagnosticPosition pos, final Env<AttrContext> env, final InferenceContext inferenceContext, final List<Type> ts) {
private void checkAccessibleTypes(final DiagnosticPosition pos, final Env<AttrContext> env,
final InferenceContext inferenceContext, final List<Type> ts) {
if (inferenceContext.free(ts)) {
inferenceContext.addFreeTypeListener(ts, new FreeTypeListener() {
@Override

39
langtools/test/tools/javac/lambda/TargetType72.java Normal file
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@ -0,0 +1,39 @@
/*
* 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 8011376
* @summary Spurious checked exception errors in nested method call
* @compile TargetType72.java
*/
import java.io.IOException;
import java.util.concurrent.Callable;
class TargetType72 {
Callable<Number> c = id(id(()->{ if (true) throw new java.io.IOException(); return 0; }));
<Z> Z id(Z z) { return null; }
}