From f7db99d130f8eceef1e9d8c90105e287fca7ece9 Mon Sep 17 00:00:00 2001
From: Dylan McGannon <me@dyl.dog>
Date: Fri, 31 Aug 2018 22:28:37 +1000
Subject: [PATCH] fix(indexing): Files with classes that declare itself to be
 it's parent can cause an infinite loop when indexing. #669

---
 fixtures/self_referencing_class.php | 4 ++++
 src/DefinitionResolver.php          | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 fixtures/self_referencing_class.php

diff --git a/fixtures/self_referencing_class.php b/fixtures/self_referencing_class.php
new file mode 100644
index 0000000..287fc25
--- /dev/null
+++ b/fixtures/self_referencing_class.php
@@ -0,0 +1,4 @@
+<?php
+class C extends C {}
+$c = new C;
+$c->undef_prop = 1;
\ No newline at end of file
diff --git a/src/DefinitionResolver.php b/src/DefinitionResolver.php
index 990c196..163000f 100644
--- a/src/DefinitionResolver.php
+++ b/src/DefinitionResolver.php
@@ -452,7 +452,9 @@ class DefinitionResolver
             // Repeat for parent class
             if ($implementorDef->extends) {
                 foreach ($implementorDef->extends as $extends) {
-                    $implementorFqns[] = $extends;
+                    if ($extends !== $implementorFqn) {
+                        $implementorFqns[] = $extends;
+                    }
                 }
             }
         }