6611449: Internal Error thrown during generic method/constructor invocation

Type-inference should fail since lub is not defined for primitive types

Reviewed-by: jjg
This commit is contained in:
Maurizio Cimadamore 2008-03-04 12:14:13 +00:00
parent 702926ba55
commit 9e5259f792
4 changed files with 55 additions and 4 deletions
langtools
src/share/classes/com/sun/tools/javac
test/tools/javac/generics/inference/6611449

@ -2483,7 +2483,7 @@ public class Types {
break;
default:
if (t.isPrimitive())
return syms.botType;
return syms.errType;
}
}
switch (boundkind) {

@ -194,14 +194,14 @@ public class Infer {
if (that.lobounds.isEmpty())
that.inst = syms.botType;
else if (that.lobounds.tail.isEmpty())
that.inst = that.lobounds.head;
that.inst = that.lobounds.head.isPrimitive() ? syms.errType : that.lobounds.head;
else {
that.inst = types.lub(that.lobounds);
if (that.inst == null)
}
if (that.inst == null || that.inst == syms.errType)
throw ambiguousNoInstanceException
.setMessage("no.unique.minimal.instance.exists",
that.qtype, that.lobounds);
}
// VGJ: sort of inlined maximizeInst() below. Adding
// bounds can cause lobounds that are above hibounds.
if (that.hibounds.isEmpty())

@ -0,0 +1,46 @@
/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @test
* @bug 6611449
* @summary Internal Error thrown during generic method/constructor invocation
* @compile/fail/ref=T6611449.out -XDstdout -XDrawDiagnostics T6611449.java
*/
public class T6611449<S> {
T6611449() {this(1);}
<T extends S> T6611449(T t1) {this(t1, 1);}
<T extends S> T6611449(T t1, T t2) {}
<T extends S> void m(T t1) {}
<T extends S> void m(T t1, T t2) {}
void test() {
m1(1);
m2(1, 1);
}
}

@ -0,0 +1,5 @@
T6611449.java:32:17: compiler.err.cant.resolve.location: (- compiler.misc.kindname.constructor), T6611449, (int), , (- compiler.misc.kindname.class), T6611449<S>
T6611449.java:34:35: compiler.err.cant.resolve.location: (- compiler.misc.kindname.constructor), T6611449, (T,int), , (- compiler.misc.kindname.class), T6611449<S>
T6611449.java:43:9: compiler.err.cant.resolve.location: (- compiler.misc.kindname.method), m1, (int), , (- compiler.misc.kindname.class), T6611449<S>
T6611449.java:44:9: compiler.err.cant.resolve.location: (- compiler.misc.kindname.method), m2, (int,int), , (- compiler.misc.kindname.class), T6611449<S>
4 errors