False positive with isset when exception is thrown before assignment

[hbrecht]

Bug report

Using latest version!

When a new object is assigned to a new variable and during construction of the object an exception is thrown, phpstan still assumes that the variable is assigned (set) and therefore isset would always return true. At least this is true for below snippet. However, this code works fine:
https://phpstan.org/r/a757f959-eecc-484b-ad70-22caab81bc16

Code snippet that reproduces the problem

https://phpstan.org/r/3e472af1-0c34-4873-8b5f-7923419afef1

Expected output

No issue should be reported

[ondrejmirtes]

Fixed: phpstan/phpstan-src@b48fd77

[github-actions]

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