From fbf31fac751c0d76d2f55a0fe649ade5bafed292 Mon Sep 17 00:00:00 2001
From: Ulf Magnusson <ulfalizer@gmail.com>
Date: Thu, 14 Jun 2018 12:00:44 +0200
Subject: Fix MenuNode.referenced() on Kconfig.top_node

The property lists weren't created for Kconfig.top_node, making
referenced() crash.

Add a MenuNode constructor and create the property lists there instead
of in _parse_properties().
---
 kconfiglib.py | 16 +++++++++-------
 testsuite.py  |  2 ++
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/kconfiglib.py b/kconfiglib.py
index af5415d..609ba7d 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -2114,13 +2114,6 @@ class Kconfig(object):
         # below.
         node.dep = self.y
 
-        # Properties added at this location. A local 'depends on' only applies
-        # to these, in case a symbol is defined in multiple locations.
-        node.defaults = []
-        node.selects = []
-        node.implies = []
-        node.ranges = []
-
         while self._next_line():
             t0 = self._next_token()
             if t0 is None:
@@ -4171,6 +4164,15 @@ class MenuNode(object):
         "ranges"
     )
 
+    def __init__(self):
+        # Properties defined on this particular menu node. A local 'depends on'
+        # only applies to these, in case a symbol is defined in multiple
+        # locations.
+        self.defaults = []
+        self.selects = []
+        self.implies = []
+        self.ranges = []
+
     def referenced(self):
         """
         Returns a set() of all symbols and choices referenced in the properties
diff --git a/testsuite.py b/testsuite.py
index c773b99..6d27040 100644
--- a/testsuite.py
+++ b/testsuite.py
@@ -1017,6 +1017,8 @@ g
         verify_equal(tuple(sorted(item.name for item in item.referenced())),
                      dep_names)
 
+    verify_deps(c.top_node, "y")
+
     verify_deps(c.syms["NO_REFS"].nodes[0], "y")
 
     verify_deps(c.syms["JUST_DEPENDS_ON_REFS"].nodes[0], "A", "B")
-- 
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