PHPStan bug

[staabm]

phpstan bug repro

• clone the repository
• checkout this PR
• composer install

vendor/bin/phpstan analyze src/SqlAst/ParserInference.php --debug

leads to

➜  phpstan-dba git:(staabm-patch-3) ✗ vendor/bin/phpstan analyze src/SqlAst/ParserInference.php --debug
Note: Using configuration file /Users/staabm/workspace/phpstan-dba/phpstan.neon.dist.
/Users/staabm/workspace/phpstan-dba/src/SqlAst/ParserInference.php
 ------ ---------------------------------------------
  Line   ParserInference.php
 ------ ---------------------------------------------
  51     Cannot call method getCondition() on mixed.
         🪪  method.nonObject
  55     Cannot call method getLeft() on mixed.
         🪪  method.nonObject
 ------ ---------------------------------------------

-> why does $from in src/SqlAst/ParserInference.php turn into mixed?

--> don't look at the file-diff of this repro or commits of the PR, it doesn't matter
--> I already tried to extract the case at hand and reduce it even further, but this didn't work