Fix white space matching in latin-1 strings wrt \u00a0.

test/mjsunit/regress/regress-crbug-181422.js

Index: test/mjsunit/regress/regress-crbug-181422.js
diff --git a/src/symbol.js b/test/mjsunit/regress/regress-crbug-181422.js
similarity index 85%
copy from src/symbol.js
copy to test/mjsunit/regress/regress-crbug-181422.js
index b7f9dc9496aac589e89e2d2761ebe6431a36008e..52826f3110db925c2d66d571970b2676f1bb0a1f 100644
--- a/src/symbol.js
+++ b/test/mjsunit/regress/regress-crbug-181422.js
@@ -25,15 +25,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-"use strict";
+assertArrayEquals(["\u00a0"], "ab\u00a0cd".match(/\s/));
+assertArrayEquals(["a", "b", "c", "d"], "ab\u00a0cd".match(/\S/g));
 
-var $Symbol = function() { return %CreateSymbol() }
-global.Symbol = $Symbol
-
-// Symbols only have a toString method and no prototype.
-var SymbolDelegate = {
-  __proto__: null,
-  toString: $Object.prototype.toString
-}
-
-$Object.freeze(SymbolDelegate)
+assertArrayEquals(["\u00a0"], "\u2604b\u00a0cd".match(/\s/));
+assertArrayEquals(["\u2604", "b", "c", "d"], "\u2604b\u00a0cd".match(/\S/g));