Harmony: optimize Math.clz32.

test/mjsunit/harmony/math-clz32.js

Index: test/mjsunit/harmony/math-clz32.js
diff --git a/test/mjsunit/harmony/math-clz32.js b/test/mjsunit/harmony/math-clz32.js
index bc15ad2569f105224775298f1e5b97975ccba478..816f6a936e67c4e0c190d2e077c23810b547c61d 100644
--- a/test/mjsunit/harmony/math-clz32.js
+++ b/test/mjsunit/harmony/math-clz32.js
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-maths
+// Flags: --harmony-maths --allow-natives-syntax
 
 [NaN, Infinity, -Infinity, 0, -0, "abc", "Infinity", "-Infinity", {}].forEach(
   function(x) {
@@ -18,11 +18,19 @@ function testclz(x) {
   return 32;
 }
 
-var max = Math.pow(2, 40);
-for (var x = 0; x < max; x = x * 1.01 + 1) {
-  assertEquals(testclz(x), Math.clz32(x));
-  assertEquals(testclz(-x), Math.clz32(-x));
-  assertEquals(testclz(x), Math.clz32({ valueOf: function() { return x; } }));
-  assertEquals(testclz(-x),
-               Math.clz32({ toString: function() { return -x; } }));
+
+function f(e) {
+  var max = Math.pow(2, e);
+  for (var x = 0; x < max; x = x * 1.01 + 1) {
+    assertEquals(testclz(x), Math.clz32(x));
+    assertEquals(testclz(-x), Math.clz32(-x));
+    assertEquals(testclz(x), Math.clz32({ valueOf: function() { return x; } }));
+    assertEquals(testclz(-x),
+                 Math.clz32({ toString: function() { return -x; } }));
+  }
 }
+
+f(5);
+f(5);
+%OptimizeFunctionOnNextCall(f);
+f(40);