SF Bug 767794

"Break or continue outside loop causes crash"

diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py
index 83f2de8b9af9190c29a5c2ff294460161eee74a7..48b912d153da3182336b6670180eed76edd38de7 100644 (file)
--- a/Lib/idlelib/PyShell.py
+++ b/Lib/idlelib/PyShell.py
@@ -605,6 +605,8 @@ class ModifiedInterpreter(InteractiveInterpreter):
         if ok:
             try:
                 msg, (dummy_filename, lineno, offset, line) = value
+                if not offset:
+                    offset = 0
             except:
                 ok = 0
         if ok: