Richard Stallman wrote (in part): > What's the point of cross-jumping? It saves a certain amount of > space; it has no other benefit. All else being equal, there's no > reason not to do it. But cross-jumping abort calls interferes with > debugging. That's a good reason not to do it. t's get rid of this optimization. Those who want to use a > fancy_abort function will still be able to do so, but this change will > be an improvement for the rest.
Would a new attribute be in order, that disables the optimization? For example, __attribute__ ((unique_call))? That way, the programmer can designate other procedures than abort() as procedures which should not be cross-jumped.