Reland: Use simple/fast inline function version of MinMax in JS

src/js/arraybuffer.js

Index: src/js/arraybuffer.js
diff --git a/src/js/arraybuffer.js b/src/js/arraybuffer.js
index fb803caa5aace679c621158f2ce0f44bd55216d4..dcb968c88bd1ea6afc14dc8ac1b1e88b9cfde797 100644
--- a/src/js/arraybuffer.js
+++ b/src/js/arraybuffer.js
@@ -13,14 +13,17 @@
 
 var GlobalArrayBuffer = global.ArrayBuffer;
 var GlobalObject = global.Object;
-var MathMax;
-var MathMin;
 var ToPositiveInteger;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
+var MaxSimple;

[Jakob Kummerow, 2015/10/15 14:18:48]

nit: please preserve alpha-sorting

[skomski, 2015/10/15 15:17:58]

Done.

+var MinSimple;
+
+utils.Import(function(from) {
+  MaxSimple = from.MaxSimple;
+  MinSimple = from.MinSimple;
+});
 
 utils.Import(function(from) {
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
   ToPositiveInteger = from.ToPositiveInteger;
 });
 
@@ -57,16 +60,16 @@ function ArrayBufferSlice(start, end) {
   var first;
   var byte_length = %_ArrayBufferGetByteLength(this);
   if (relativeStart < 0) {
-    first = MathMax(byte_length + relativeStart, 0);
+    first = MaxSimple(byte_length + relativeStart, 0);
   } else {
-    first = MathMin(relativeStart, byte_length);
+    first = MinSimple(relativeStart, byte_length);
   }
   var relativeEnd = IS_UNDEFINED(end) ? byte_length : end;
   var fin;
   if (relativeEnd < 0) {
-    fin = MathMax(byte_length + relativeEnd, 0);
+    fin = MaxSimple(byte_length + relativeEnd, 0);
   } else {
-    fin = MathMin(relativeEnd, byte_length);
+    fin = MinSimple(relativeEnd, byte_length);
   }
 
   if (fin < first) {