Test for PR libgcj/8823:

* libjava.lang/pr8823.java: New file.
	* libjava.lang/pr8823.out: New file.

From-SVN: r59953

libjava/testsuite/libjava.lang/pr8823.java

@@ -0,0 +1,24 @@
+interface I
+{
+  public void m();
+}
+
+abstract class A implements I
+{
+  // But doesn't define m()
+}
+
+public class pr8823 extends A // which means it implements I
+{
+  public static void main(String[] args)
+  {
+    // Defining c as either I or C will work.
+    A c = new pr8823();
+    c.m();
+  }
+
+  public void m()
+  {
+    System.out.println("Hello World!");
+  }
+}

libjava/testsuite/libjava.lang/pr8823.out

@@ -0,0 +1 @@
+Hello World!