Fix bug #9630 (?)#3353

Draft

FoxCie wants to merge 4 commits intophpstan:1.12.xfrom

FoxCie:foxcie/issue9630_generic_trait_in_trait

Commits on Aug 26, 2024

Fix bug #9630 (?)
Matthieu Renard
committed

Commits on Aug 28, 2024

Adding two tests : one that passes here to show what has been fixed, and another one that shows a bug that may have appeared when fixing the other one.
Matthieu Renard
committed
Ran CS fixer
Matthieu Renard
committed
Merge branch '1.12.x' into foxcie/issue9630_generic_trait_in_trait
Matthieu Renard
committed