Revert of [intrinsic] Drop the %_ValueOf intrinsic.

src/js/harmony-simd.js

Index: src/js/harmony-simd.js
diff --git a/src/js/harmony-simd.js b/src/js/harmony-simd.js
index 93dc820ed95cedd1fe5a3a18f5225ffbc4ceed57..4df2f437ecb6e62d597fd5d39ee44613d36ba73a 100644
--- a/src/js/harmony-simd.js
+++ b/src/js/harmony-simd.js
@@ -62,7 +62,7 @@
 }
 
 function NAMEToString() {
-  var value = %ValueOf(this);
+  var value = %_ValueOf(this);
   if (typeof(value) !== 'TYPE') {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         "NAME.prototype.toString", this);
@@ -76,7 +76,7 @@
 }
 
 function NAMEToLocaleString() {
-  var value = %ValueOf(this);
+  var value = %_ValueOf(this);
   if (typeof(value) !== 'TYPE') {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         "NAME.prototype.toLocaleString", this);
@@ -90,7 +90,7 @@
 }
 
 function NAMEValueOf() {
-  var value = %ValueOf(this);
+  var value = %_ValueOf(this);
   if (typeof(value) !== 'TYPE') {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         "NAME.prototype.valueOf", this);