Closure signature PHPDoc seems to corrupt variadics #3506
Description
Bug report
PhpDoc describing Closure signatures seems to break the type of variadic closure parameters.
Code snippet that reproduces the problem
https://phpstan.org/r/131d81a7-ffa4-4ee5-bf1e-1028b0bd478b
checkExplicitMixed: true is required to reproduce this bug.
If I remove the mixed... parameter from the PhpDoc, it shuts up.
Expected output
No errors.
Actual output
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Line Test.php
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15 Only iterables can be unpacked, mixed given in argument #1.
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[ERROR] Found 1 error