Trigger exception debug event for promises at the throw site.

test/mjsunit/es6/debug-promises-throw-in-reject.js

Index: test/mjsunit/es6/debug-promises-throw-in-reject.js
diff --git a/test/mjsunit/es6/debug-promises-throw-in-reject.js b/test/mjsunit/es6/debug-promises-throw-in-reject.js
index 6ae064dcd291d9bdd22d3eedf8ef1b417564ac65..a7bc6061ecfef79a26a2ea6076317db37f8ca055 100644
--- a/test/mjsunit/es6/debug-promises-throw-in-reject.js
+++ b/test/mjsunit/es6/debug-promises-throw-in-reject.js
@@ -6,7 +6,7 @@
 
 // Test debug events when an exception is thrown inside a Promise, which is
 // caught by a custom promise, which throws a new exception in its reject
-// handler.  We expect a PendingExceptionInPromise event to be triggered.
+// handler.  We expect an Exception debug event with a promise to be triggered.
 
 Debug = debug.Debug;
 
@@ -39,12 +39,11 @@ var q = p.chain(
 
 function listener(event, exec_state, event_data, data) {
   try {
-    if (event == Debug.DebugEvent.PendingExceptionInPromise) {
+    if (event == Debug.DebugEvent.Exception) {
       assertEquals(["resolve", "construct", "end main",
                     "throw caught", "throw reject"], log);
-      assertEquals("caught", event_data.exception().message);
-    } else if (event == Debug.DebugEvent.Exception) {
-      assertUnreachable();
+      assertEquals("reject", event_data.exception().message);
+      assertEquals(q, event_data.promise());

[aandrey, 2014/04/30 13:01:07]

assertTrue(exec_state.frame(0).sourceLineText().indexOf('throw new
Error("reject")') > 0);

     }
   } catch (e) {
     // Signal a failure with exit code 1.  This is necessary since the