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-347542.js b/test/mjsunit/compiler/opt-next-call.js
similarity index 72%
copy from test/mjsunit/regress/regress-347542.js
copy to test/mjsunit/compiler/opt-next-call.js
index 901d798fb7fbea45f0d9f3d8ba6c7a9846bf6dd6..6366c7d72e3d7f69662dfcab858ce5b09b29da81 100644
--- a/test/mjsunit/regress/regress-347542.js
+++ b/test/mjsunit/compiler/opt-next-call.js
@@ -4,8 +4,10 @@
 
 // Flags: --allow-natives-syntax
 
-function foo() {}
-foo();
+function foo() {
+  return "fooed";
+}
+
 %OptimizeFunctionOnNextCall(foo);
-foo();
-%NeverOptimizeFunction(foo);
+assertEquals("fooed", foo());
+assertOptimized(foo);