Uncaught UnexpectedValueException: bad since 0f2a07a9a36d3942da0481f08d4fe89f27d72925

[LukasReschke]

We get the following exception apparently since 0f2a07a when running on the Nextcloud Server codebase:

Uncaught UnexpectedValueException: bad in /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/Call/Method/MethodCallReturnTypeFetcher.php:320
Stack trace:
#0 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/Call/Method/MethodCallReturnTypeFetcher.php(194): Psalm\Internal\Analyzer\Statements\Expression\Call\Method\MethodCallReturnTypeFetcher::taintMethodCallResult(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(Psalm\Type\Union), Object(PhpParser\Node\Identifier), Object(PhpParser\Node\Expr\Variable), Array, Object(Psalm\Internal\MethodIdentifier), Object(Psalm\Internal\MethodIdentifier), 'DateTimeImmutab...', Object(Psalm\Context))
#1 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/Call/Method/ExistingAtomicMethodCallAnalyzer.php(205): Psalm\Internal\Analyzer\Statements\Expression\Call\Method\MethodCallReturnTypeFetcher::fetch(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(Psalm\Codebase), Object(PhpParser\Node\Expr\MethodCall), Object(Psalm\Context), Object(Psalm\Internal\MethodIdentifier), Object(Psalm\Internal\MethodIdentifier), Object(Psalm\Internal\MethodIdentifier), 'DateTimeImmutab...', Object(Psalm\Type\Atomic\TNamedObject), Object(Psalm\Type\Atomic\TNamedObject), Array, Object(Psalm\Internal\Analyzer\Statements\Expression\Call\Method\AtomicMethodCallAnalysisResult), Object(Psalm\Internal\Type\TemplateResult))
#2 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/Call/Method/AtomicMethodCallAnalyzer.php(401): Psalm\Internal\Analyzer\Statements\Expression\Call\Method\ExistingAtomicMethodCallAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\MethodCall), Object(PhpParser\Node\Identifier), Array, Object(Psalm\Codebase), Object(Psalm\Context), Object(Psalm\Type\Atomic\TNamedObject), Object(Psalm\Type\Atomic\TNamedObject), '$dtstartDt', Object(Psalm\Internal\MethodIdentifier), Object(Psalm\Internal\Analyzer\Statements\Expression\Call\Method\AtomicMethodCallAnalysisResult))
#3 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/Call/MethodCallAnalyzer.php(184): Psalm\Internal\Analyzer\Statements\Expression\Call\Method\AtomicMethodCallAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\MethodCall), Object(Psalm\Codebase), Object(Psalm\Context), Object(Psalm\Type\Atomic\TNamedObject), Object(Psalm\Type\Atomic\TNamedObject), false, '$dtstartDt', Object(Psalm\Internal\Analyzer\Statements\Expression\Call\Method\AtomicMethodCallAnalysisResult))
#4 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/ExpressionAnalyzer.php(148): Psalm\Internal\Analyzer\Statements\Expression\Call\MethodCallAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\MethodCall), Object(Psalm\Context))
#5 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/ExpressionAnalyzer.php(40): Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer::handleExpression(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\MethodCall), Object(Psalm\Context), false, NULL, false)
#6 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/Expression/AssignmentAnalyzer.php(194): Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\MethodCall), Object(Psalm\Context))
#7 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/ExpressionAnalyzer.php(129): Psalm\Internal\Analyzer\Statements\Expression\AssignmentAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\Variable), Object(PhpParser\Node\Expr\MethodCall), NULL, Object(Psalm\Context), NULL)
#8 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/Statements/ExpressionAnalyzer.php(40): Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer::handleExpression(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\Assign), Object(Psalm\Context), false, Object(Psalm\Context), true)
#9 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/StatementsAnalyzer.php(530): Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer::analyze(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Expr\Assign), Object(Psalm\Context), false, Object(Psalm\Context), true)
#10 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/StatementsAnalyzer.php(172): Psalm\Internal\Analyzer\StatementsAnalyzer::analyzeStatement(Object(Psalm\Internal\Analyzer\StatementsAnalyzer), Object(PhpParser\Node\Stmt\Expression), Object(Psalm\Context), Object(Psalm\Context))
#11 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php(422): Psalm\Internal\Analyzer\StatementsAnalyzer->analyze(Array, Object(Psalm\Context), Object(Psalm\Context), true)
#12 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/ClassAnalyzer.php(1654): Psalm\Internal\Analyzer\FunctionLikeAnalyzer->analyze(Object(Psalm\Context), Object(Psalm\Internal\Provider\NodeDataProvider), Object(Psalm\Context))
#13 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/ClassAnalyzer.php(388): Psalm\Internal\Analyzer\ClassAnalyzer->analyzeClassMethod(Object(PhpParser\Node\Stmt\ClassMethod), Object(Psalm\Storage\ClassLikeStorage), Object(Psalm\Internal\Analyzer\ClassAnalyzer), Object(Psalm\Context), Object(Psalm\Context))
#14 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/FileAnalyzer.php(213): Psalm\Internal\Analyzer\ClassAnalyzer->analyze(Object(Psalm\Context), Object(Psalm\Context))
#15 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Codebase/Analyzer.php(340): Psalm\Internal\Analyzer\FileAnalyzer->analyze(NULL)
#16 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Codebase/Analyzer.php(584): Psalm\Internal\Codebase\Analyzer->Psalm\Internal\Codebase\{closure}(125, '/github/workspa...')
#17 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Codebase/Analyzer.php(269): Psalm\Internal\Codebase\Analyzer->doAnalysis(Object(Psalm\Internal\Analyzer\ProjectAnalyzer), 1)
#18 /composer/vendor/vimeo/psalm/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php(636): Psalm\Internal\Codebase\Analyzer->analyzeFiles(Object(Psalm\Internal\Analyzer\ProjectAnalyzer), 1, false, true)
#19 /composer/vendor/vimeo/psalm/src/psalm.php(681): Psalm\Internal\Analyzer\ProjectAnalyzer->check('/github/workspa...', false)
#20 /composer/vendor/vimeo/psalm/psalm(2): require_once('/composer/vendo...')
#21 {main}
(Psalm dev-master@0f2a07a9a36d3942da0481f08d4fe89f27d72925 crashed due to an uncaught Throwable)

See https://github.com/nextcloud/server/actions?page=2&query=workflow%3A%22Psalm+Security+Analysis%22 for the failing builds. This is just running the Psalm Security Analysis Workflow from https://github.com/nextcloud/server/blob/master/.github/workflows/psalm-security.yml

[psalm-github-bot]

Hey @LukasReschke, can you reproduce the issue on https://psalm.dev ?