Quickfix for DoMathPowHalf.

test/mjsunit/regress/regress-397.js

 // Copyright 2009 the V8 project authors. All rights reserved.
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+// Flags: --allow-natives-syntax
 // See http://code.google.com/p/v8/issues/detail?id=397
 
-assertEquals("Infinity", String(Math.pow(Infinity, 0.5)));
-assertEquals(0, Math.pow(Infinity, -0.5));
 
-assertEquals("Infinity", String(Math.pow(-Infinity, 0.5)));
-assertEquals(0, Math.pow(-Infinity, -0.5));
+function test() {
+  assertEquals("Infinity", String(Math.pow(Infinity, 0.5)));
+  assertEquals(0, Math.pow(Infinity, -0.5));
+
+  assertEquals("Infinity", String(Math.pow(-Infinity, 0.5)));
+  assertEquals(0, Math.pow(-Infinity, -0.5));
+}
+
+test();
+test();
+%OptimizeFunctionOnNextCall(test);
+test();