[debugger] add test case for debug-evaluate for values in TDZ.

test/mjsunit/regress/regress-crbug-605581.js

Index: test/mjsunit/regress/regress-crbug-605581.js
diff --git a/test/mjsunit/debug-evaluate-modify-this.js b/test/mjsunit/regress/regress-crbug-605581.js
similarity index 60%
copy from test/mjsunit/debug-evaluate-modify-this.js
copy to test/mjsunit/regress/regress-crbug-605581.js
index 930f6ed0431078cd02d6253bdedb1dd4f76560b1..0f1daabead95a6357503f418c5b46c710ba6b99b 100644
--- a/test/mjsunit/debug-evaluate-modify-this.js
+++ b/test/mjsunit/regress/regress-crbug-605581.js
@@ -4,30 +4,25 @@
 
 // Flags: --expose-debug-as debug
 
-Debug = debug.Debug
-
+var Debug = debug.Debug;
 var exception = null;
 
-var f = () => { debugger; }
-var g = function() { debugger; }
-var h = (function() { return () => { debugger; }; }).call({});
-
 function listener(event, exec_state, event_data, data) {
   if (event != Debug.DebugEvent.Break) return;
   try {
-    assertThrows(() => exec_state.frame(0).evaluate("this = 2"));
+    assertThrows(() => exec_state.frame(0).evaluate("bar.baz"), ReferenceError);
   } catch (e) {
     exception = e;
-    print("Caught something. " + e + " " + e.stack);
-  };
-};
+  }
+}
 
 Debug.setListener(listener);
 
-f();
-g();
-g.call({});
-h();
+(function() {
+  debugger;    // bar is still in TDZ at this point.
+  let bar = 1;
+  (x => bar);  // force bar to be context-allocated.
+})();
 
 Debug.setListener(null);
 assertNull(exception);