uesc.java: New file.

* libjava.compile/uesc.java: New file.
	* libjava.compile/uesc.xfail: New file.

From-SVN: r40704

libjava/testsuite/libjava.compile/uesc.java

@@ -0,0 +1,9 @@
+public class uesc
+{
+  public foo (Object[] v[])
+  {
+    char z = '\uuu00a0';
+    char y = '\u00au0';		// At one point we erroneously
+				// accepted this.
+  }
+}