[asm] Fix lots of invalid asm.js tests

test/mjsunit/asm/float64array-store-div.js

Index: test/mjsunit/asm/float64array-store-div.js
diff --git a/test/mjsunit/asm/float64array-store-div.js b/test/mjsunit/asm/float64array-store-div.js
index 10b0011fbc41c083af0144deda068f576f074a5b..0af2ffc28ad9172d1dea3fd60ffc1d160ca2221d 100644
--- a/test/mjsunit/asm/float64array-store-div.js
+++ b/test/mjsunit/asm/float64array-store-div.js
@@ -6,8 +6,9 @@ function Module(stdlib, foreign, heap) {
   "use asm";
   var MEM64 = new stdlib.Float64Array(heap);
   function foo(i) {
-    MEM64[0] = (i >>> 0) / 2;
-    return MEM64[0];
+    i = i | 0;
+    MEM64[0] = +(i >>> 0) / 2.;
+    return +MEM64[0];
   }
   return { foo: foo };
 }