Mercurial > hg > release > icedtea7-forest-2.3 > langtools

--- a/src/share/classes/com/sun/tools/javac/code/Types.java	Tue Oct 25 13:51:18 2011 -0700
+++ b/src/share/classes/com/sun/tools/javac/code/Types.java	Tue Oct 25 16:12:55 2011 -0700
@@ -269,10 +269,12 @@

     // <editor-fold defaultstate="collapsed" desc="isConvertible">
     /**
-     * Is t a subtype of or convertiable via boxing/unboxing
-     * convertions to s?
+     * Is t a subtype of or convertible via boxing/unboxing
+     * conversion to s?
      */
     public boolean isConvertible(Type t, Type s, Warner warn) {
+        if (t.tag == ERROR)
+            return true;
         boolean tPrimitive = t.isPrimitive();
         boolean sPrimitive = s.isPrimitive();
         if (tPrimitive == sPrimitive) {
--- a/src/share/classes/com/sun/tools/javac/comp/Infer.java	Tue Oct 25 13:51:18 2011 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/Infer.java	Tue Oct 25 16:12:55 2011 -0700
@@ -249,6 +249,13 @@
         }
     };

+    private final Filter<Type> botFilter = new Filter<Type>() {
+        @Override
+        public boolean accepts(Type t) {
+            return t.tag != BOT;
+        }
+    };
+
     /** Instantiate undetermined type variable to the lub of all its lower bounds.
      *  Throw a NoInstanceException if this not possible.
      */
@@ -470,7 +477,8 @@
                         UndetVar uv = (UndetVar)t;
                         if (uv.qtype == tv) {
                             switch (ck) {
-                                case EXTENDS: return uv.hibounds.appendList(types.subst(types.getBounds(tv), all_tvars, inferredTypes));
+                                case EXTENDS: return Type.filter(uv.hibounds, botFilter)
+                                        .appendList(types.subst(types.getBounds(tv), all_tvars, inferredTypes));
                                 case SUPER: return uv.lobounds;
                                 case EQUAL: return uv.inst != null ? List.of(uv.inst) : List.<Type>nil();
                             }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/7085024/T7085024.java	Tue Oct 25 16:12:55 2011 -0700
@@ -0,0 +1,12 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 7085024
+ * @summary internal error; cannot instantiate Foo
+ * @compile/fail/ref=T7085024.out -XDrawDiagnostics T7085024.java
+ */
+
+class T7085024 {
+    T7085024 (boolean ret) { } //internal error goes away if constructor accepts a reference type
+
+    T7085024 f = new T7085024((NonExistentClass) null );
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/7085024/T7085024.out	Tue Oct 25 16:12:55 2011 -0700
@@ -0,0 +1,2 @@
+T7085024.java:11:32: compiler.err.cant.resolve.location: kindname.class, NonExistentClass, , , (compiler.misc.location: kindname.class, T7085024, null)
+1 error
--- a/test/tools/javac/Diagnostics/6862608/T6862608a.out	Tue Oct 25 13:51:18 2011 -0700
+++ b/test/tools/javac/Diagnostics/6862608/T6862608a.out	Tue Oct 25 16:12:55 2011 -0700
@@ -1,3 +1,3 @@
-T6862608a.java:19:41: compiler.err.prob.found.req: (compiler.misc.incompatible.types.1: (compiler.misc.infer.no.conforming.instance.exists: T, java.util.Comparator<T>, java.util.Comparator<java.lang.String>)), <T>java.util.Comparator<T>, java.util.Comparator<java.lang.String>
+T6862608a.java:19:41: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<java.util.Comparator<?>>, java.lang.Iterable<? extends java.util.Comparator<? super java.lang.String>>)
 - compiler.misc.where.description.typevar: T,{(compiler.misc.where.typevar: T, java.lang.Object, kindname.method, <T>compound(java.lang.Iterable<? extends java.util.Comparator<? super T>>))}
 1 error
--- a/test/tools/javac/generics/inference/6638712/T6638712a.out	Tue Oct 25 13:51:18 2011 -0700
+++ b/test/tools/javac/generics/inference/6638712/T6638712a.out	Tue Oct 25 16:12:55 2011 -0700
@@ -1,2 +1,2 @@
-T6638712a.java:16:41: compiler.err.prob.found.req: (compiler.misc.incompatible.types.1: (compiler.misc.infer.no.conforming.instance.exists: T, java.util.Comparator<T>, java.util.Comparator<java.lang.String>)), <T>java.util.Comparator<T>, java.util.Comparator<java.lang.String>
+T6638712a.java:16:41: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<java.util.Comparator<?>>, java.lang.Iterable<? extends java.util.Comparator<? super java.lang.String>>)
 1 error
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/inference/7086586/T7086586.java	Tue Oct 25 16:12:55 2011 -0700
@@ -0,0 +1,19 @@
+/**
+ * @test /nodynamiccopyright/
+ * @bug 7086586
+ * @summary Inference producing null type argument
+ * @compile/fail/ref=T7086586.out -XDrawDiagnostics T7086586.java
+ */
+import java.util.List;
+
+class T7086586 {
+
+    <T> List<T> m(List<? super T> dummy) { return null; }
+
+    void test(List<?> l) {
+        String s = m(l).get(0);
+        Number n = m(l).get(0);
+        Exception e = m(l).get(0);
+        m(l).nonExistentMethod();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/inference/7086586/T7086586.out	Tue Oct 25 16:12:55 2011 -0700
@@ -0,0 +1,5 @@
+T7086586.java:14:21: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<compiler.misc.type.captureof: 1, ?>, java.util.List<? super java.lang.Object>)
+T7086586.java:15:21: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<compiler.misc.type.captureof: 1, ?>, java.util.List<? super java.lang.Object>)
+T7086586.java:16:24: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<compiler.misc.type.captureof: 1, ?>, java.util.List<? super java.lang.Object>)
+T7086586.java:17:10: compiler.err.invalid.inferred.types: T, (compiler.misc.no.conforming.assignment.exists: java.util.List<compiler.misc.type.captureof: 1, ?>, java.util.List<? super java.lang.Object>)
+4 errors