From e18a35744d8126722d9a634a6990a85c95945613 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luka=20Sch=C3=A4fer?= <luka.schaefer@paqato.com>
Date: Fri, 2 Feb 2024 21:52:53 +0100
Subject: [PATCH] Fix crash when enum case references other enum case

---
 .../PhpVisitor/Reflector/ClassLikeNodeScanner.php         | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
index 7589c018f98..9dd33594e91 100644
--- a/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
+++ b/src/Psalm/Internal/PhpVisitor/Reflector/ClassLikeNodeScanner.php
@@ -1437,10 +1437,16 @@ private function visitEnumDeclaration(
         $case_location = new CodeLocation($this->file_scanner, $stmt);
 
         if ($stmt->expr !== null) {
+            $expr = $stmt->expr;
+
+            if ($expr instanceof PhpParser\Node\Expr\PropertyFetch) {
+                $expr = $expr->var;
+            }
+
             $case_type = SimpleTypeInferer::infer(
                 $this->codebase,
                 new NodeDataProvider(),
-                $stmt->expr,
+                $expr,
                 $this->aliases,
                 $this->file_scanner,
                 $storage->constants,