slot_abi_mask_built: fix __eq__ for backtracking

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 07d30e64eac8b946471366af18d330efbf3ae83c..bdab7a6dee2cf28d07a169af23d34660b5bc8893 100644 (file)
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -1007,9 +1007,9 @@ class depgraph(object):
                abi_masks = {}
                if new_child_slot is None:
                        if not child.installed:
-                               abi_masks.setdefault(child, {})["slot_abi_mask_built"] = dep
+                               abi_masks.setdefault(child, {})["slot_abi_mask_built"] = None
                if not dep.parent.installed:
-                       abi_masks.setdefault(dep.parent, {})["slot_abi_mask_built"] = dep
+                       abi_masks.setdefault(dep.parent, {})["slot_abi_mask_built"] = None
                if abi_masks:
                        config.setdefault("slot_abi_mask_built", {}).update(abi_masks)