Merge

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

@@ -588,10 +588,21 @@ public class Types {
                 case BYTE: case CHAR: case SHORT: case INT: case LONG: case FLOAT:
                 case DOUBLE: case BOOLEAN: case VOID: case BOT: case NONE:
                     return t.tag == s.tag;
-                case TYPEVAR:
-                    return s.isSuperBound()
-                        && !s.isExtendsBound()
-                        && visit(t, upperBound(s));
+                case TYPEVAR: {
+                    if (s.tag == TYPEVAR) {
+                        //type-substitution does not preserve type-var types
+                        //check that type var symbols and bounds are indeed the same
+                        return t.tsym == s.tsym &&
+                                visit(t.getUpperBound(), s.getUpperBound());
+                    }
+                    else {
+                        //special case for s == ? super X, where upper(s) = u
+                        //check that u == t, where u has been set by Type.withTypeVar
+                        return s.isSuperBound() &&
+                                !s.isExtendsBound() &&
+                                visit(t, upperBound(s));
+                    }
+                }
                 default:
                     throw new AssertionError("isSameType " + t.tag);
                 }
@@ -1850,13 +1861,16 @@ public class Types {
 
     /**
      * Same as {@link #setBounds(Type.TypeVar,List,Type)}, except that
-     * third parameter is computed directly.  Note that this test
-     * might cause a symbol completion.  Hence, this version of
+     * third parameter is computed directly, as follows: if all
+     * all bounds are interface types, the computed supertype is Object,
+     * otherwise the supertype is simply left null (in this case, the supertype
+     * is assumed to be the head of the bound list passed as second argument).
+     * Note that this check might cause a symbol completion. Hence, this version of
      * setBounds may not be called during a classfile read.
      */
     public void setBounds(TypeVar t, List<Type> bounds) {
         Type supertype = (bounds.head.tsym.flags() & INTERFACE) != 0 ?
-            supertype(bounds.head) : null;
+            syms.objectType : null;
         setBounds(t, bounds, supertype);
         t.rank_field = -1;
     }

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

@@ -1472,7 +1472,7 @@ public class Attr extends JCTree.Visitor {
         // Attribute clazz expression and store
         // symbol + type back into the attributed tree.
         Type clazztype = attribType(clazz, env);
-        Pair<Scope,Scope> mapping = getSyntheticScopeMapping((ClassType)clazztype);
+        Pair<Scope,Scope> mapping = getSyntheticScopeMapping(clazztype);
         if (!TreeInfo.isDiamond(tree)) {
             clazztype = chk.checkClassType(
                 tree.clazz.pos(), clazztype, true);
@@ -1640,9 +1640,10 @@ public class Attr extends JCTree.Visitor {
                         List<Type> argtypes,
                         List<Type> typeargtypes,
                         boolean reportErrors) {
-        if (clazztype.isErroneous()) {
-            //if the type of the instance creation expression is erroneous
-            //return the erroneous type itself
+        if (clazztype.isErroneous() || mapping == erroneousMapping) {
+            //if the type of the instance creation expression is erroneous,
+            //or something prevented us to form a valid mapping, return the
+            //(possibly erroneous) type unchanged
             return clazztype;
         }
         else if (clazztype.isInterface()) {
@@ -1740,7 +1741,10 @@ public class Attr extends JCTree.Visitor {
      *  inference. The inferred return type of the synthetic constructor IS
      *  the inferred type for the diamond operator.
      */
-    private Pair<Scope, Scope> getSyntheticScopeMapping(ClassType ctype) {
+    private Pair<Scope, Scope> getSyntheticScopeMapping(Type ctype) {
+        if (ctype.tag != CLASS) {
+            return erroneousMapping;
+        }
         Pair<Scope, Scope> mapping =
                 new Pair<Scope, Scope>(ctype.tsym.members(), new Scope(ctype.tsym));
         List<Type> typevars = ctype.tsym.type.getTypeArguments();
@@ -1763,6 +1767,8 @@ public class Attr extends JCTree.Visitor {
         return mapping;
     }
 
+    private final Pair<Scope,Scope> erroneousMapping = new Pair<Scope,Scope>(null, null);
+
     /** Make an attributed null check tree.
      */
     public JCExpression makeNullCheck(JCExpression arg) {

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

@@ -886,6 +886,7 @@ public class Check {
     void checkRaw(JCTree tree, Env<AttrContext> env) {
         if (lint.isEnabled(Lint.LintCategory.RAW) &&
             tree.type.tag == CLASS &&
+            !TreeInfo.isDiamond(tree) &&
             !env.enclClass.name.isEmpty() &&  //anonymous or intersection
             tree.type.isRaw()) {
             log.warning(tree.pos(), "raw.class.use", tree.type, tree.type.tsym.type);
@@ -915,7 +916,7 @@ public class Check {
                 List<Type> actuals = tree.type.allparams();
                 List<JCExpression> args = tree.arguments;
                 List<Type> forms = tree.type.tsym.type.getTypeArguments();
-                ListBuffer<TypeVar> tvars_buf = new ListBuffer<TypeVar>();
+                ListBuffer<Type> tvars_buf = new ListBuffer<Type>();
 
                 // For matching pairs of actual argument types `a' and
                 // formal type parameters with declared bound `b' ...
@@ -946,12 +947,15 @@ public class Check {
                 }
 
                 args = tree.arguments;
-                List<TypeVar> tvars = tvars_buf.toList();
+                List<Type> tvars = tvars_buf.toList();
 
                 while (args.nonEmpty() && tvars.nonEmpty()) {
+                    Type actual = types.subst(args.head.type,
+                        tree.type.tsym.type.getTypeArguments(),
+                        tvars_buf.toList());
                     checkExtends(args.head.pos(),
-                                 args.head.type,
-                                 tvars.head);
+                                 actual,
+                                 (TypeVar)tvars.head);
                     args = args.tail;
                     tvars = tvars.tail;
                 }

test/Makefile

@@ -50,6 +50,7 @@ ifeq ($(OSNAME), Windows_NT)
       endif
     endif
   endif
+  EXE_SUFFIX=.exe
 endif
 
 # Root of this test area (important to use full paths in some places)
@@ -105,12 +106,13 @@ endif
 # PRODUCT_HOME is a JPRT variable pointing to a directory containing the output from 
 # make/Makefile
 # For langtools, this is a directory containing build and dist
-# For a control build, this is build/$(PRODUCT)-$(ARCH)/j2sdk-image
+# For a control build, this is build/$(PRODUCT)-$(ARCH)/XYZ-image 
+#	(i.e, j2sdk-image or jdk-module-image)
 ifdef PRODUCT_HOME
   ifeq ($(shell [ -r $(PRODUCT_HOME)/dist/lib/classes.jar ]; echo $$?),0)
     TESTBOOTCLASSPATH = $(PRODUCT_HOME)/dist/lib/classes.jar
   endif
-  ifeq ($(shell [ -r $(PRODUCT_HOME)/lib/tools.jar ]; echo $$?),0)
+  ifeq ($(shell [ -r $(PRODUCT_HOME)/bin/javac$(EXE_SUFFIX) ]; echo $$?),0)
     TESTJAVA = $(PRODUCT_HOME)
   endif
 endif
@@ -150,6 +152,16 @@ ifdef JCK_GROUP_SIZE
 ###    -jtoptions:-Ejck.env.runtime.testCompile.groupMode.groupSize=$(JCK_GROUP_SIZE)
 endif
 
+# Timeouts -- by default, increase test timeouts when running on JPRT
+ifdef JPRT_JOB_ID
+  ifndef JTREG_TIMEOUT_FACTOR
+    JTREG_TIMEOUT_FACTOR = 3
+  endif
+endif
+ifdef JTREG_TIMEOUT_FACTOR
+  JTREG_OPTIONS += -timeoutFactor:$(JTREG_TIMEOUT_FACTOR)
+endif
+
 # Assertions: some tests show failures when assertions are enabled.
 # Since javac is typically loaded via the bootclassloader (either via TESTJAVA
 # or TESTBOOTCLASSPATH), you may need -esa to enable assertions in javac.

test/tools/javac/6948381/T6948381.java

+/*
+ * Copyright 2010 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 6948381
+ * @summary javac Null Pointer Exception in Types.makeCompoundType
+ * @compile npe/A.java npe/B.java
+ */

test/tools/javac/6948381/npe/A.java

+/*
+ * Copyright 2010 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 npe;
+
+import npe.B.*;
+
+public interface A {}

test/tools/javac/6948381/npe/B.java

+/*
+ * Copyright 2010 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 npe;
+
+public interface B<T extends A & java.io.Serializable> {}

test/tools/javac/generics/6946618/T6946618a.java

+/*
+ * @test /nodynamiccopyright/
+ * @bug     6946618
+ * @summary sqe test fails: javac/generics/NewOnTypeParm  in pit jdk7 b91 in all platforms.
+ * @author  mcimadamore
+ * @compile/fail/ref=T6946618a.out -XDrawDiagnostics T6946618a.java
+ */
+
+class T6946618a {
+    static class C<T> {
+      T makeT() {
+        return new T(); //error
+      }
+    }
+
+    static class D<S> {
+      C<S> makeC() {
+        return new C<S>(); //ok
+      }
+    }
+}

test/tools/javac/generics/6946618/T6946618a.out

+T6946618a.java:12:20: compiler.err.type.found.req: (compiler.misc.type.parameter: T), (compiler.misc.type.req.class)
+1 error

test/tools/javac/generics/6946618/T6946618b.java

+/*
+ * @test /nodynamiccopyright/
+ * @bug     6946618
+ * @summary sqe test fails: javac/generics/NewOnTypeParm  in pit jdk7 b91 in all platforms.
+ * @author  mcimadamore
+ * @compile/fail/ref=T6946618b.out -XDrawDiagnostics T6946618b.java
+ */
+
+class T6946618b {
+    static class C<T> {
+      T makeT() {
+        return new T<>(); //error
+      }
+    }
+
+    static class D<S> {
+      C<S> makeC() {
+        return new C<>(); //ok
+      }
+    }
+}

test/tools/javac/generics/6946618/T6946618b.out

+T6946618b.java:12:20: compiler.err.type.found.req: (compiler.misc.type.parameter: T), (compiler.misc.type.req.class)
+1 error

test/tools/javac/generics/6946618/T6946618c.java

+/*
+ * @test /nodynamiccopyright/
+ * @bug     6946618
+ * @summary sqe test fails: javac/generics/NewOnTypeParm  in pit jdk7 b91 in all platforms.
+ * @author  mcimadamore
+ * @compile/fail/ref=T6946618c.out -XDrawDiagnostics T6946618c.java
+ */
+
+class T6946618c {
+    static class C<T> { }
+
+    void test() {
+        C<?> c1 = new C<? extends String>();
+        C<?> c2 = new C<? super String>();
+        C<?> c3 = new C<?>();
+    }
+}

test/tools/javac/generics/6946618/T6946618c.out

+T6946618c.java:13:24: compiler.err.type.found.req: ? extends java.lang.String, class or interface without bounds
+T6946618c.java:14:24: compiler.err.type.found.req: ? super java.lang.String, class or interface without bounds
+T6946618c.java:15:24: compiler.err.type.found.req: ?, class or interface without bounds
+3 errors

test/tools/javac/generics/diamond/T6951833.java

+/*
+ * Copyright 2010 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 6951833
+ *
+ * @summary  latest diamond implementation generates spurious raw type warnings
+ * @author mcimadamore
+ * @compile -Xlint:rawtypes -Werror T6951833.java
+ *
+ */
+
+class T6951833<X> {
+   T6951833<String> bug = new T6951833<>();
+}

test/tools/javac/generics/typevars/T6880344.java

+/*
+ * Copyright 2009 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     6880344
+ * @summary Recursive type parameters do not compile
+ * @author  mcimadamore
+ * @compile T6880344.java
+ */
+
+class T6880344 {
+    static class A<X1 extends G<X1>> {
+        public A<N<X1>> xyz;
+    }
+
+    static class N<X2 extends G<X2>> implements G<N<X2>> { }
+
+    interface G<X3 extends G<X3>> { }
+}