Closes sebastianbergmann#866

Author: sebastianbergmann

ChangeLog.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [9.2.8] - 2021-MM-DD
+
+### Fixed
+
+* [#866](https://github.com/sebastianbergmann/php-code-coverage/issues/866): `CodeUnitFindingVisitor` does not handle `enum` type introduced in PHP 8.1
+
 ## [9.2.7] - 2021-09-17
 
 ### Fixed
@@ -329,6 +335,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 
 * This component is no longer supported on PHP 7.1
 
+[9.2.8]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.7...9.2
 [9.2.7]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.6...9.2.7
 [9.2.6]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.5...9.2.6
 [9.2.5]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.4...9.2.5

src/StaticAnalysis/CodeUnitFindingVisitor.php

@@ -18,6 +18,7 @@
 use PhpParser\Node\NullableType;
 use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Enum_;
 use PhpParser\Node\Stmt\Function_;
 use PhpParser\Node\Stmt\Interface_;
 use PhpParser\Node\Stmt\Trait_;
@@ -231,7 +232,7 @@ private function processMethod(ClassMethod $node): void
             return;
         }
 
-        assert($parentNode instanceof Class_ || $parentNode instanceof Trait_);
+        assert($parentNode instanceof Class_ || $parentNode instanceof Trait_ || $parentNode instanceof Enum_);
         assert(isset($parentNode->name));
         assert(isset($parentNode->namespacedName));
         assert($parentNode->namespacedName instanceof Name);