changeset 2804:de31f7bc10c7

8069254: Warning issued despite @SafeVarargs annotation on constructor Summary: The Symbol created for diamond inference does not have annotations attached - need to look for @SafeVarargs on the underlying constructor's Symbol. Reviewed-by: mcimadamore
author jlahoda
date Fri, 23 Jan 2015 15:14:53 +0100
parents a6f70f3d55b5
children 5b102fc29edf
files src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java test/tools/javac/varargs/warning/Warn6.java
diffstat 2 files changed, 45 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java	Thu Jan 22 09:50:03 2015 +0100
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java	Fri Jan 23 15:14:53 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, 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
@@ -898,7 +898,7 @@
             Type argtype = owntype.getParameterTypes().last();
             if (!types.isReifiable(argtype) &&
                 (!allowSimplifiedVarargs ||
-                 sym.attribute(syms.trustMeType.tsym) == null ||
+                 sym.baseSymbol().attribute(syms.trustMeType.tsym) == null ||
                  !isTrustMeAllowedOnMethod(sym))) {
                 warnUnchecked(env.tree.pos(),
                                   "unchecked.generic.array.creation",
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/varargs/warning/Warn6.java	Fri Jan 23 15:14:53 2015 +0100
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2015, 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 8069254
+ * @summary Ensure the generic array creation warning is not incorrectly produced for diamonds
+ * @compile -Xlint:unchecked -Werror Warn6.java
+ */
+
+public class Warn6<T> {
+    @SafeVarargs
+    public Warn6(T... args) {
+    }
+
+    public static void main(String[] args) {
+        Iterable<String> i = null;
+
+        Warn6<Iterable<String>> foo2 = new Warn6<>(i, i);
+        Warn6<Iterable<String>> foo3 = new Warn6<Iterable<String>>(i, i);
+    }
+}
+