patch to improve i386 epilogue (version 4)

[Jeffrey A Law]

  In message < u97ly8jfe4.fsf@yorick.cygnus.com >you write:
  >  > Can anyone explain why this braindamage exists on Linux.  This sounds
  >  > totally dumb to me.
  > 
  > This isn't specific to Linux; -ggdb generates DWARF2 on all systems where
  > it is supported.
I'm not sure if this makes me think it's more or less dumb :-)  

  > Meaning, it's only as functional as stabs, not more.  Which is not really
  > an argument for staying with stabs; when we switch, there is more reason to
  > improve dwarf2 support.
So what were the arguments for not making dwarf2 the default?

jeff