Fix %OptimizeFunctionOnNextCall to actually work when the function has not yet been compiled.

test/mjsunit/compiler/opt-next-call.js

Index: test/mjsunit/compiler/opt-next-call.js
diff --git a/test/mjsunit/regress/regress-347906.js b/test/mjsunit/compiler/opt-next-call.js
similarity index 70%
copy from test/mjsunit/regress/regress-347906.js
copy to test/mjsunit/compiler/opt-next-call.js
index c751618928c93015679087ee1b500637657aa341..17a0754c2314a43479fa13bd8fdede0d4cf7b0ed 100644
--- a/test/mjsunit/regress/regress-347906.js
+++ b/test/mjsunit/compiler/opt-next-call.js
@@ -2,13 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --harmony
-
 function foo() {
-  return Math.clz32(12.34);
+  return "fooed";
 }
 
-foo();
-foo();
 %OptimizeFunctionOnNextCall(foo);
-foo();
+assertEquals("fooed", foo());
+assertOptimized(foo);