Describe the bug VSCode does not underline undefined variable if it was described in docblock

To Reproduce

function foo()
{
    /** @var string $var1 */
    return $var1 ? strlen($var2) : 0;
}

Expected behavior both variables marked as undefined

Expected behavior marked only $var2

Platform and version OS version is Microsoft Windows [Version 10.0.22621.1344] Intelephense version is v1.9.5.

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