# HG changeset patch
# User mcimadamore
# Date 1212140563 -3600
# Node ID 16c478b6af1d8d97121c43f91192c3cf0e4c4ce0
# Parent  34b10b15401502927ff1ccac6ac7d530bd44ef27
6507024: casting an array to a generic type results in a 'capture#69 of ?' type error
Summary: Types.isSubtypeUnchecked() should handle type-variables subtyping properly
Reviewed-by: jjg

diff -r 34b10b154015 -r 16c478b6af1d langtools/src/share/classes/com/sun/tools/javac/code/Types.java
--- a/langtools/src/share/classes/com/sun/tools/javac/code/Types.java	Fri May 30 10:29:27 2008 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/Types.java	Fri May 30 10:42:43 2008 +0100
@@ -301,7 +301,11 @@
                 : isSubtypeUnchecked(elemtype(t), elemtype(s), warn);
         } else if (isSubtype(t, s)) {
             return true;
-        } else if (!s.isRaw()) {
+        }
+        else if (t.tag == TYPEVAR) {
+            return isSubtypeUnchecked(t.getUpperBound(), s, warn);
+        }
+        else if (!s.isRaw()) {
             Type t2 = asSuper(t, s.tsym);
             if (t2 != null && t2.isRaw()) {
                 if (isReifiable(s))
diff -r 34b10b154015 -r 16c478b6af1d langtools/test/tools/javac/generics/T6507024.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/T6507024.java	Fri May 30 10:42:43 2008 +0100
@@ -0,0 +1,37 @@
+/*
+ * 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     6507024
+ * @summary unchecked conversion between arrays fails after capture conversion
+ * @author Maurizio Cimadamore
+ *
+ * @compile T6507024.java
+ */
+
+public class T6507024<T> {
+    <Z> void m(T6507024<Z>[] results) {
+        T6507024<Z>[] r = results.getClass().cast(null);
+    }
+}