[asm] Fix lots of invalid asm.js tests

test/mjsunit/asm/math-abs.js

Index: test/mjsunit/asm/math-abs.js
diff --git a/test/mjsunit/asm/math-abs.js b/test/mjsunit/asm/math-abs.js
index 6387749e0326c8e40834cfa7872efd65a1b097fe..bf7c7d07eabcb64b7505aaf4afe0b431ac1af0c0 100644
--- a/test/mjsunit/asm/math-abs.js
+++ b/test/mjsunit/asm/math-abs.js
@@ -15,14 +15,14 @@ function Module(stdlib) {
 
   // g: unsigned -> double
   function g(a) {
-    a = a>>>0;
-    return +abs(a);
+    a = a | 0;
+    return +abs(+(a >>> 0));
   }
 
   // h: signed -> double
   function h(a) {
     a = a|0;
-    return +abs(a);
+    return +abs(+(a | 0));
   }
 
   return { f: f, g: g, h: h };