6657499: javac 1.6.0 fails to compile class with inner class

Summary: Lookup of member inner classes silently fails leading to an unwanted erasure to take place
Reviewed-by: jjg

src/share/classes/com/sun/tools/javac/comp/Attr.java

@@ -1810,7 +1810,7 @@ public class Attr extends JCTree.Visitor {
             chk.earlyRefError(tree.pos(), sym.kind == VAR ? sym : thisSym(tree.pos(), env));
         }
         Env<AttrContext> env1 = env;
-        if (sym.kind != ERR && sym.owner != null && sym.owner != env1.enclClass.sym) {
+        if (sym.kind != ERR && sym.kind != TYP && sym.owner != null && sym.owner != env1.enclClass.sym) {
             // If the found symbol is inaccessible, then it is
             // accessed through an enclosing instance.  Locate this
             // enclosing instance:

test/tools/javac/generics/T6657499.java

+/*
+ * 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 6657499
+ * @summary generics: javac 1.6.0 fails to compile class with inner class
+ * @author Maurizio Cimadamore
+ *
+ */
+
+public class T6657499<T> {
+    T t;
+    public T test() {
+        class Local {private T t;};
+        class Local2 {T m() {return t;}};
+        T t3 = new Local().t;
+        return new Local2().m();
+    }
+    public static void main(String[] args) {
+        String s = new T6657499<String>().test();
+    }
+}