Merge

src/share/classes/com/sun/tools/javac/code/Types.java

@@ -301,7 +301,11 @@ public class Types {
                 : 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))

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

@@ -454,6 +454,8 @@ public class Attr extends JCTree.Visitor {
     void attribTypeVariables(List<JCTypeParameter> typarams, Env<AttrContext> env) {
         for (JCTypeParameter tvar : typarams) {
             TypeVar a = (TypeVar)tvar.type;
+            a.tsym.flags_field |= UNATTRIBUTED;
+            a.bound = Type.noType;
             if (!tvar.bounds.isEmpty()) {
                 List<Type> bounds = List.of(attribType(tvar.bounds.head, env));
                 for (JCExpression bound : tvar.bounds.tail)
@@ -464,13 +466,14 @@ public class Attr extends JCTree.Visitor {
                 // java.lang.Object.
                 types.setBounds(a, List.of(syms.objectType));
             }
+            a.tsym.flags_field &= ~UNATTRIBUTED;
         }
-    }
-
-    void attribBounds(List<JCTypeParameter> typarams, Env<AttrContext> env) {
         for (JCTypeParameter tvar : typarams)
             chk.checkNonCyclic(tvar.pos(), (TypeVar)tvar.type);
         attribStats(typarams, env);
+    }
+
+    void attribBounds(List<JCTypeParameter> typarams) {
         for (JCTypeParameter typaram : typarams) {
             Type bound = typaram.type.getUpperBound();
             if (bound != null && bound.tsym instanceof ClassSymbol) {
@@ -581,7 +584,7 @@ public class Attr extends JCTree.Visitor {
         try {
             chk.checkDeprecatedAnnotation(tree.pos(), m);
 
-            attribBounds(tree.typarams, env);
+            attribBounds(tree.typarams);
 
             // If we override any other methods, check that we do so properly.
             // JLS ???
@@ -2689,7 +2692,7 @@ public class Attr extends JCTree.Visitor {
         chk.validateAnnotations(tree.mods.annotations, c);
 
         // Validate type parameters, supertype and interfaces.
-        attribBounds(tree.typarams, env);
+        attribBounds(tree.typarams);
         chk.validateTypeParams(tree.typarams);
         chk.validate(tree.extending);
         chk.validate(tree.implementing);

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

@@ -1486,6 +1486,8 @@ public class Check {
 
     private void checkNonCyclic1(DiagnosticPosition pos, Type t, Set<TypeVar> seen) {
         final TypeVar tv;
+        if  (t.tag == TYPEVAR && (t.tsym.flags() & UNATTRIBUTED) != 0)
+            return;
         if (seen.contains(t)) {
             tv = (TypeVar)t;
             tv.bound = new ErrorType();

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

@@ -228,7 +228,7 @@ public class Resolve {
                 // another symbol which is a member of `site'
                 // (because, if it is overridden, `sym' is not strictly
                 // speaking a member of `site'.)
-                (sym.kind != MTH || sym.isConstructor() ||
+                (sym.kind != MTH || sym.isConstructor() || sym.isStatic() ||
                  ((MethodSymbol)sym).implementation(site.tsym, types, true) == sym);
         default: // this case includes erroneous combinations as well
             return isAccessible(env, site);

test/tools/javac/generics/6677785/T6677785.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     6677785
+ * @summary REGRESSION: StackOverFlowError with Cyclic Class level Type Parameters when used in constructors
+ * @author Maurizio Cimadamore
+ * @compile/fail/ref=T6677785.out -XDstdout -XDrawDiagnostics T6677785.java
+ */
+public class T6677785<E extends T, T extends E> {
+     T6677785() {}
+     T6677785(E e) {}
+     T6677785(E e, T t) {}
+}

test/tools/javac/generics/6677785/T6677785.out

+T6677785.java:31:23: compiler.err.cyclic.inheritance: E
+1 error

test/tools/javac/generics/T6507024.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     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);
+    }
+}

test/tools/javac/staticImport/6665223/T6665223.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 6665223
+ * @summary Static import of inherited protected method causes compiler exception
+ * @author Maurizio Cimadamore
+ *
+ * @compile pkg/A.java
+ */

test/tools/javac/staticImport/6665223/pkg/A.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.
+ */
+package pkg;
+
+import static pkg.B.b;
+
+class A {
+    public static void main(String[] args) {
+        b();
+    }
+}

test/tools/javac/staticImport/6665223/pkg/B.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.
+ */
+package pkg;
+
+class B extends B2 {}
+
+abstract class B2 {
+    protected static void b() {}
+}