Sync laziness between BuildFunctionInfo and MakeFunctionInfo.

test/mjsunit/regress/regress-147497.js

Index: test/mjsunit/regress/regress-147497.js
diff --git a/test/mjsunit/regress/regress-2296.js b/test/mjsunit/regress/regress-147497.js
similarity index 86%
copy from test/mjsunit/regress/regress-2296.js
copy to test/mjsunit/regress/regress-147497.js
index c00f14f172a0cb099d2ef411fe25bfffbab7e559..0012b08f32e28d33cd54d1d54979065d0e8e2ff7 100644
--- a/test/mjsunit/regress/regress-2296.js
+++ b/test/mjsunit/regress/regress-147497.js
@@ -27,14 +27,19 @@
 
 // Flags: --expose-debug-as debug
 
-Debug = debug.Debug
+Debug = debug.Debug;
 
 function listener(event, exec_state, event_data, data) {
-  event_data.script().setSource(1);
+  if (event == Debug.DebugEvent.Break) {
+    exec_state.prepareStep(Debug.StepAction.StepNext, 10);
+  }
 };
 
 Debug.setListener(listener);
 
-eval('0');
+var statement = "";
+for (var i = 0; i < 1024; i++) statement += "z";
+statement = 'with(0)' + statement + '=function foo(){}';
 
-Debug.setListener(null);
+debugger;
+eval(statement);