Fix some latin-1 webkit units tests

test/mjsunit/regress/regress-latin-1.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 39 matching lines @@
   if (base.toLowerCase() == lo) {
     assertEquals([base + lo, base], lo_result);
     total_lo++;
   } else {
     assertEquals(null, lo_result);
   }
 }
 // Should have hit the branch for the following char codes:
 // [A-Z], [192-222] but not 215
 assertEquals((90-65+1)+(222-192-1+1), total_lo);
+
+// Latin-1 whitespace character
+assertEquals( 1, +(String.fromCharCode(0xA0) + '1') );
+
+// Latin-1 \W characters
+assertEquals(["+\u00a3", "=="], "+\u00a3==".match(/\W\W/g));
+
+// Latin-1 character that uppercases out of Latin-1.
+assertTrue(/\u0178/i.test('\u00ff'));
+
+// Unicode equivalence
+assertTrue(/\u039c/i.test('\u00b5'));
+assertTrue(/\u039c/i.test('\u03bc'));
+assertTrue(/\u00b5/i.test('\u03bc'));
+// Unicode equivalence ranges
+assertTrue(/[\u039b-\u039d]/i.test('\u00b5'));
+assertFalse(/[^\u039b-\u039d]/i.test('\u00b5'));
+assertFalse(/[\u039b-\u039d]/.test('\u00b5'));
+assertTrue(/[^\u039b-\u039d]/.test('\u00b5'));