fix special index parsing

test/mjsunit/harmony/typedarrays.js

Index: test/mjsunit/harmony/typedarrays.js
diff --git a/test/mjsunit/harmony/typedarrays.js b/test/mjsunit/harmony/typedarrays.js
index 0cdb7ed396571366272d33ece0ab5d2ed57312ab..70bd17e3382db1cdb115d5aae6e48cf9141bc82a 100644
--- a/test/mjsunit/harmony/typedarrays.js
+++ b/test/mjsunit/harmony/typedarrays.js
@@ -530,10 +530,10 @@ function TestTypedArraysWithIllegalIndices() {
    * assertEquals(undefined, a[-Infinity]);
    */
   a[1.5] = 10;
-  assertEquals(10, a[1.5]);
+  assertEquals(undefined, a[1.5]);
   var nan = Math.sqrt(-1);
   a[nan] = 5;
-  assertEquals(5, a[nan]);
+  assertEquals(undefined, a[nan]);
 
   var x = 0;
   var y = -0;
@@ -579,10 +579,10 @@ function TestTypedArraysWithIllegalIndicesStrict() {
    * assertEquals(undefined, a[-Infinity]);
    */
   a[1.5] = 10;
-  assertEquals(10, a[1.5]);
+  assertEquals(undefined, a[1.5]);
   var nan = Math.sqrt(-1);
   a[nan] = 5;
-  assertEquals(5, a[nan]);
+  assertEquals(undefined, a[nan]);
 
   var x = 0;
   var y = -0;