julia

92dfdca4 - typeintersect: fix incorrect innervar handling under circular env (#54545)

typeintersect: fix incorrect innervar handling under circular env (#54545) The infinite loop encountered in #54516 has been traced back to a circular bound during `finish_unionall`. As we insert innervar more eagerly now, the direct `jl_has_typevar` could not find all circularity. To address this, `has_typevar_via_flatten_env` is added to perform thorough check. Although there is some code duplication with `reachable_var`, it could be improved in future refactoring. #54516 also highlighted another free var escaping regression since v1.10. This regression is not solely the result of incomplete checks, it is also caused by the missing final substitution of `vb`'s bound, which has now been corrected. At last, this PR adds an assertion of sorting complexity, which should facilitate the detection of similar issues by PkgEval. close #54516