Handle "//# sourceURL" comments in the Parser instead of the JS.

test/mjsunit/debug-compile-event.js

Index: test/mjsunit/debug-compile-event.js
diff --git a/test/mjsunit/debug-compile-event.js b/test/mjsunit/debug-compile-event.js
index 477c01d7f867d71c8afc2544ef01e5d6fdd0ee83..c38cd8477a9fe4d53b110f419d7b099292a111ff 100644
--- a/test/mjsunit/debug-compile-event.js
+++ b/test/mjsunit/debug-compile-event.js
@@ -85,9 +85,11 @@ function listener(event, exec_state, event_data, data) {
       assertTrue('context' in msg.body.script);
 
       // Check that we pick script name from //# sourceURL, iff present
-      assertEquals(current_source.indexOf('sourceURL') >= 0 ?
-                     'myscript.js' : undefined,
-                   event_data.script().name());
+      if (event == Debug.DebugEvent.AfterCompile) {
+        assertEquals(current_source.indexOf('sourceURL') >= 0 ?
+            'myscript.js' : undefined,
+                     event_data.script().name());
+      }
     }
   } catch (e) {
     exception = e