Alias analysis failure leading to escape analysis failure is the default case, not the corner case. I think it is valuable to research what is the best set of

Alias analysis failure leading to escape analysis failure is the default case, not the corner case. I think it is valuable to research what is the best set of restrictions to get reliable escape analysis. For reliable escape analysis for unrestricted case, yes, I think it won't be possible and it isn't worth bothering with at all.