re PR libgcj/6389 (System.getProperty("") should always throw an IllegalArgumentException)

* libjava.compile/T20020604.java: New file.

	For PR libgcj/6389:
	* libjava.mauve/xfails: Now passes System.getProperty test.

	For PR java/1343 and PR java/6336:
	* libjava.compile/PR1343.java: New file.

	For PR java/5913:
	* libjava.compile/PR5913.xfail: Removed.

From-SVN: r54259

libjava/testsuite/libjava.compile/PR1343.java

@@ -0,0 +1,17 @@
+import java.util.Vector;
+
+public class PR1343
+{
+    void f(Object[] l)
+    {
+        class x1
+        {
+        };
+    }
+    void f(Vector l)
+    {
+        class x1
+        {
+        };
+    }
+}