sjlj CFG improvement

[Jeffrey A Law]

  In message < XFMail.20001207130736.ak03@gte.com >you write:
  > Should this patch be backported for use by the upcoming GCC-2.95.3 release?
I would recommend against it.  Typically that kind of release would be to
fix code generation bugs, aborts and the like.  Stuff that is strictly
a compile time improvement (even one as large as this) wouldn't qualify for
inclusion into a minor release.

jeff