Do not implicitly convert receivers for builtin functions when inspecting frames.

test/mjsunit/regress/regress-frame-details-null-receiver.js

Index: test/mjsunit/regress/regress-frame-details-null-receiver.js
diff --git a/test/mjsunit/regress/regress-147497.js b/test/mjsunit/regress/regress-frame-details-null-receiver.js
similarity index 78%
copy from test/mjsunit/regress/regress-147497.js
copy to test/mjsunit/regress/regress-frame-details-null-receiver.js
index 92e29d12589984b0cf34a91d7cac3479a04bfbaa..d15ed4d00ae774ad01406855fc42cb8c1dfbcc07 100644
--- a/test/mjsunit/regress/regress-147497.js
+++ b/test/mjsunit/regress/regress-frame-details-null-receiver.js
@@ -25,21 +25,28 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --expose-debug-as debug
+// Flags: --expose-debug-as debug --allow-natives-syntax
 
 Debug = debug.Debug;
+var listened = false;
 
 function listener(event, exec_state, event_data, data) {
-  if (event == Debug.DebugEvent.Break) {
-    exec_state.prepareStep(Debug.StepAction.StepNext, 10);
+  if (event == Debug.DebugEvent.Exception) {
+    for (var i = 0; i < exec_state.frameCount(); i++) {
+      print(exec_state.frame(i).receiver());
+      print(exec_state.frame(i).func().name());
+    }
   }
-};
+  listened = true;
+}
 
 Debug.setListener(listener);
+Debug.setBreakOnException();
 
-var statement = "";
-for (var i = 0; i < 1024; i++) statement += "z";
-statement = 'with(0)' + statement + '=function foo(){}';
+assertThrows(function() { delete null['foo']; });
+
+Debug.clearBreakOnException();
+Debug.setListener(null);
+
+assertTrue(listened);
 
-debugger;
-eval(statement);