[debugger] fix blacklisted tests.

test/mjsunit/regress/regress-2318.js

Index: test/mjsunit/regress/regress-2318.js
diff --git a/test/mjsunit/regress/regress-2318.js b/test/mjsunit/regress/regress-2318.js
index 771d195212e34cdea7aefc24df7c5802049f99ad..0031ee2ea522b74b1dcccfeda8c8ec2b7478e441 100644
--- a/test/mjsunit/regress/regress-2318.js
+++ b/test/mjsunit/regress/regress-2318.js
@@ -25,11 +25,12 @@
 // (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 --nostack-trace-on-abort --stack-size=150
+// Flags: --expose-debug-as debug --stack-size=150
 
-function f() {
-  var i = 0;
+var exception = null;
 
+function f(i) {
+  var i = 0;
   // Stack-allocate to reach the end of stack quickly.
   var _A0 = 00; var _A1 = 01; var _A2 = 02; var _A3 = 03; var _A4 = 04;
   var _B0 = 05; var _B1 = 06; var _B2 = 07; var _B3 = 08; var _B4 = 09;
@@ -58,10 +59,18 @@ function f() {
 Debug = debug.Debug;
 
 function listener(event, exec_state, event_data, data) {
-  result = exec_state.frame().evaluate("i").value();
+  if (event != Debug.DebugEvent.Break) return;
+  try {
+    print(exec_state.frame(0).evaluate("i").value());
+  } catch (e) {
+    if (!(e instanceof RangeError)) exception = e;
+  }
 };
 
 Debug.setListener(listener);
-var bp = Debug.setBreakPoint(f, 0);
+var bp = Debug.setBreakPoint(f, 1);
 
 assertThrows(function() { f(); }, RangeError);
+
+Debug.setListener(null);
+assertNull(exception);