Fix overriding throw point with void

Author: ondrejmirtes

src/Analyser/NodeScopeResolver.php

@@ -1442,7 +1442,12 @@ private function getOverridingThrowPoints(Node\Stmt $statement, MutatingScope $s
 
 			$throwsTag = $resolvedPhpDoc->getThrowsTag();
 			if ($throwsTag !== null) {
-				return [ThrowPoint::createExplicit($scope, $throwsTag->getType(), $statement, false)];
+				$throwsType = $throwsTag->getType();
+				if ($throwsType instanceof VoidType) {
+					return [];
+				}
+
+				return [ThrowPoint::createExplicit($scope, $throwsType, $statement, false)];
 			}
 		}
 

tests/PHPStan/Rules/Exceptions/Bug5364Test.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Rules\Exceptions;
+
+use PHPStan\Testing\RuleTestCase;
+
+/**
+ * @extends RuleTestCase<MissingCheckedExceptionInMethodThrowsRule>
+ */
+class Bug5364Test extends RuleTestCase
+{
+
+	protected function getRule(): \PHPStan\Rules\Rule
+	{
+		return new MissingCheckedExceptionInMethodThrowsRule(
+			new MissingCheckedExceptionInThrowsCheck(new DefaultExceptionTypeResolver(
+				$this->createReflectionProvider(),
+				[],
+				[],
+				[],
+				[]
+			))
+		);
+	}
+
+	public function testRule(): void
+	{
+		$this->analyse([__DIR__ . '/data/bug-5364.php'], []);
+	}
+
+	public static function getAdditionalConfigFiles(): array
+	{
+		return [
+			__DIR__ . '/bug-5364.neon',
+		];
+	}
+
+}

tests/PHPStan/Rules/Exceptions/bug-5364.neon

@@ -0,0 +1,6 @@
+parameters:
+    implicitThrows: false
+    exceptions:
+        check:
+            missingCheckedExceptionInThrows: true
+            tooWideThrowType: true

tests/PHPStan/Rules/Exceptions/data/bug-5364.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Bug5364;
+
+class Foo
+{
+
+	/**
+	 * @throws \Exception
+	 */
+	function test(): void {
+		throw new \Exception();
+	}
+
+	function call_test(): void {
+		/** @throws void */
+		$this->test();
+	}
+
+}