Bug #252572 - Fix a loop condition inside depgraph._serialize_tasks() which

can cause an infinite loop that's triggered by unresolvable blockers.

svn path=/main/trunk/; revision=12348

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 714b7daaef29a04ac6b77814621642675eadb645..e34f7ab35b419dcddd22111b056b9e03b1bdb5a2 100644 (file)
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -6838,7 +6838,7 @@ class depgraph(object):
                                        selected_nodes = list(selected_nodes)
                                selected_nodes.sort(cmp_circular_bias)
 
-                       if not selected_nodes and not myblocker_uninstalls.is_empty():
+                       if not selected_nodes and myblocker_uninstalls.leaf_nodes():
                                # An Uninstall task needs to be executed in order to
                                # avoid conflict if possible.
                                min_parent_deps = None