RequireExplicitAssertionSniff: Fixed internal error

Author: kukulich

SlevomatCodingStandard/Sniffs/PHP/RequireExplicitAssertionSniff.php

@@ -78,6 +78,10 @@ public function process(File $phpcsFile, $docCommentOpenPointer): void
 
 		/** @var \SlevomatCodingStandard\Helpers\Annotation\VariableAnnotation $variableAnnotation */
 		foreach (array_reverse($variableAnnotations) as $variableAnnotation) {
+			if ($variableAnnotation->isInvalid()) {
+				continue;
+			}
+
 			if ($variableAnnotation->getVariableName() === null) {
 				continue;
 			}

tests/Sniffs/PHP/data/requireExplicitAssertionNoErrors.php

@@ -48,3 +48,6 @@ function (int $a) {
 
 /** @var bool $l */
 [$l];
+
+/** @var $m invalid annotation */
+$m = 0;