On Fri, Nov 18, 2005 at 08:12:32PM -0500, Richard Kenner wrote: > What about the other cases where this would apply? I can't think of any > cases where checking the lang hook directly is correct. Can you?
Deciding if one can replace one object with another, or one pointer with another in an actual dereference. I think this is used pleanty of places that are not moves. lang_hooks.types_compatible_p has the benefit of being commutative, whereas tree_ssa_useless_type_conversion is not. r~
