Add test

VincentLanglet · VincentLanglet · commit 8903c7865f6a · 2026-03-31T00:04:24.000+02:00
diff --git a/tests/PHPStan/Analyser/nsrt/bug-6934.php b/tests/PHPStan/Analyser/nsrt/bug-6934.php
@@ -9,12 +9,15 @@
 
 function removeFromParent(?DOMNode $node): void {
 	$node?->parentNode?->removeChild($node);
+	$node?->removeChild($node);
+
 	assertType('DOMNode|null', $node);
 	assertType('DOMNode|null', $node?->parentNode);
 }
 
 function testNarrowing(?DOMNode $node): void {
 	$node?->parentNode?->removeChild(assertType('DOMNode', $node));
+	$node?->removeChild(assertType('DOMNode', $node));
 }
 
 class Foo {

Original file line number	Diff line number	Diff line change
`@@ -9,12 +9,15 @@`
`9`	`9`
`10`	`10`	`function removeFromParent(?DOMNode $node): void {`
`11`	`11`	`$node?->parentNode?->removeChild($node);`
	`12`	`+ $node?->removeChild($node);`
	`13`	`+`
`12`	`14`	`assertType('DOMNode\|null', $node);`
`13`	`15`	`assertType('DOMNode\|null', $node?->parentNode);`
`14`	`16`	`}`
`15`	`17`
`16`	`18`	`function testNarrowing(?DOMNode $node): void {`
`17`	`19`	`$node?->parentNode?->removeChild(assertType('DOMNode', $node));`
	`20`	`+ $node?->removeChild(assertType('DOMNode', $node));`
`18`	`21`	`}`
`19`	`22`
`20`	`23`	`class Foo {`