[asm] Fix lots of invalid asm.js tests

test/mjsunit/asm/float32array-store-div.js

Index: test/mjsunit/asm/float32array-store-div.js
diff --git a/test/mjsunit/asm/float32array-store-div.js b/test/mjsunit/asm/float32array-store-div.js
index 78224f962b7971f2b86a5381e98e2bbd2c63ca13..45f3fd5f213fd7a6733f80d60e0c13cccd4f3f8b 100644
--- a/test/mjsunit/asm/float32array-store-div.js
+++ b/test/mjsunit/asm/float32array-store-div.js
@@ -6,8 +6,9 @@ function Module(stdlib, foreign, heap) {
   "use asm";
   var MEM32 = new stdlib.Float32Array(heap);
   function foo(i) {
-    MEM32[0] = (i >>> 0) / 2;
-    return MEM32[0];
+    i = i | 0;
+    MEM32[0] = +(i >>> 0) / 2.;
+    return +MEM32[0];
   }
   return { foo: foo };
 }