8080726: Redundant error message on private abstract interface method with body.

Reviewed-by: mcimadamore

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

@@ -2749,7 +2749,7 @@ public class Types {
                 Scope s = c.members();
                 for (Symbol sym : s.getSymbols(NON_RECURSIVE)) {
                     if (sym.kind == MTH &&
-                        (sym.flags() & (ABSTRACT|IPROXY|DEFAULT)) == ABSTRACT) {
+                        (sym.flags() & (ABSTRACT|IPROXY|DEFAULT|PRIVATE)) == ABSTRACT) {
                         MethodSymbol absmeth = (MethodSymbol)sym;
                         MethodSymbol implmeth = absmeth.implementation(impl, this, true);
                         if (implmeth == null || implmeth == absmeth) {

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

@@ -985,7 +985,7 @@ public class Attr extends JCTree.Visitor {
                 if (isDefaultMethod || (tree.sym.flags() & (ABSTRACT | NATIVE)) == 0 &&
                     !relax)
                     log.error(tree.pos(), "missing.meth.body.or.decl.abstract");
-            } else if ((tree.sym.flags() & ABSTRACT) != 0 && !isDefaultMethod) {
+            } else if ((tree.sym.flags() & (ABSTRACT|DEFAULT|PRIVATE)) == ABSTRACT) {
                 if ((owner.flags() & INTERFACE) != 0) {
                     log.error(tree.body.pos(), "intf.meth.cant.have.body");
                 } else {

langtools/test/tools/javac/defaultMethods/private/Private10.java

+/*
+ * @test   /nodynamiccopyright/
+ * @bug    8080726
+ * @summary Redundant error message on private abstract interface method with body.
+ * @compile/fail/ref=Private10.out -XDrawDiagnostics Private10.java
+ */
+
+
+public class Private10 {
+    interface I {
+        private abstract void foo() {}
+    }
+    class C {
+        private abstract void foo() {}
+    }
+}

langtools/test/tools/javac/defaultMethods/private/Private10.out

+Private10.java:11:31: compiler.err.illegal.combination.of.modifiers: abstract, private
+Private10.java:14:31: compiler.err.illegal.combination.of.modifiers: abstract, private
+2 errors