Still nullable variable after use throw expression #5351
Description
Code snippet that reproduces the problem
https://phpstan.org/r/7c715a8e-4fa9-4baf-90df-78128598813b
Expected output
No error
{{ message }}
https://phpstan.org/r/7c715a8e-4fa9-4baf-90df-78128598813b
No error