Debugger: fix deoptimizing inlined function.

test/mjsunit/regress/regress-4320.js

Index: test/mjsunit/regress/regress-4320.js
diff --git a/test/mjsunit/regress/regress-crbug-490021.js b/test/mjsunit/regress/regress-4320.js
similarity index 53%
copy from test/mjsunit/regress/regress-crbug-490021.js
copy to test/mjsunit/regress/regress-4320.js
index 745c0a801051037274b6f1e52de5a8ed92d98a86..df6a99b28fca8ea391224e0113822154c6fdfb9b 100644
--- a/test/mjsunit/regress/regress-crbug-490021.js
+++ b/test/mjsunit/regress/regress-4320.js
@@ -2,14 +2,20 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax
+// Flags: --allow-natives-syntax --expose-debug-as debug
 
-var global = new Object(3);
-function f() {
-  global[0] = global[0] >>> 15.5;
-}
+var Debug = debug.Debug;
+
+function f() { g(); }
+
+function g() { }
 
 f();
 f();
 %OptimizeFunctionOnNextCall(f);
 f();
+
+Debug.setListener(function() {});
+Debug.setBreakPoint(g, 0);
+
+f();