// Any non-global namespace block ...
namespace foo {
	// ...
}

// ... followed by a global namespace block ...
namespace {

   // ... and a function declaration here with completed type information in phpdoc
    // will trigger the spurious error:

    /** @return list<string> */
    function qux(): array {   // <-- ??? `missingType.iterableValue` error
        return [ random_bytes(16) ];
    }
	
    \PHPStan\dumpType(qux()); // ok: list<string>
}