julia

b093c2d6 - `AbstractInterpreter`: define `add_invalidation_callback!` utility (#51769)

`AbstractInterpreter`: define `add_invalidation_callback!` utility (#51769) It seems we're reaching a consensus on how the external `AbstractInterpreter` utilizes user invalidation callbacks. Let's establish a utility within `Core.Compiler` for this purpose, which cannibalizes the pattern, so that external packages can easily access and use it. Furthermore, with this commit, gf.c has been adjusted so that each invocation of `invalidate_method_instance` invokes user callbacks. This adjustment eliminates the need for user callbacks to traverse (unstable and internal) backedge lists by themselves.