--- a/langtools/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java Fri Sep 20 19:16:55 2013 -0700
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java Sun Sep 22 20:20:38 2013 -0700
@@ -153,6 +153,8 @@
return instance;
}
+ private Attr attr;
+
private LambdaToMethod(Context context) {
diags = JCDiagnostic.Factory.instance(context);
log = Log.instance(context);
@@ -166,6 +168,7 @@
analyzer = new LambdaAnalyzerPreprocessor();
Options options = Options.instance(context);
dumpLambdaToMethodStats = options.isSet("dumpLambdaToMethodStats");
+ attr = Attr.instance(context);
}
// </editor-fold>
@@ -368,6 +371,7 @@
case BOUND: /** Expr :: instMethod */
init = tree.getQualifierExpression();
+ init = attr.makeNullCheck(init);
break;
case UNBOUND: /** Type :: instMethod */
--- a/langtools/test/tools/javac/lambda/8023558/T8023558a.java Fri Sep 20 19:16:55 2013 -0700
+++ b/langtools/test/tools/javac/lambda/8023558/T8023558a.java Sun Sep 22 20:20:38 2013 -0700
@@ -31,8 +31,14 @@
T get();
}
+ static class K<T> implements SAM<T> {
+ public T get() {
+ return (T)this;
+ }
+ }
+
public static void main(String[] args) {
- SAM<SAM> sam = new SAM<SAM>() { public SAM get() { return null; } };
+ SAM<SAM> sam = new SAM<SAM>() { public SAM get() { return new K<>(); } };
SAM temp = sam.get()::get;
}
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/methodReferenceExecution/MethodReferenceNullCheckTest.java Sun Sep 22 20:20:38 2013 -0700
@@ -0,0 +1,47 @@
+/*
+ * 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. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 8024696
+ * @summary Missing null check in bound method reference capture
+ */
+
+import com.sun.tools.javac.util.Assert;
+import java.util.function.*;
+
+public class MethodReferenceNullCheckTest {
+ public static void main(String[] args) {
+ String s = null;
+ boolean npeFired = false;
+ try {
+ Supplier<Boolean> ss = s::isEmpty;
+ } catch (NullPointerException npe) {
+ npeFired = true;
+ } finally {
+ Assert.check(npeFired, "NPE should have been thrown");
+ }
+ }
+}