[RFA] epilogue unwinder for i386 (reverse 1/2)

[Michael Snyder]

Daniel Jacobowitz wrote:
> On Sun, Jul 05, 2009 at 02:35:43PM +0200, Mark Kettenis wrote:
>> I also think you should add a comment about the specific ordering of
>> this unwinder.  It has to come before the dwarf2 unwinder because GCC
>> doesn't provide proper CFI for the epilogue, right?
> 
> Right - I would like to have a way to suppress this unwinder, maybe
> based on the producer string like other recognized dwarf2-frame
> quirks, but we can worry about that later.  I hope it will be
> unnecessary with GCC 4.5.

I would like that too -- maybe you can point me at an example?

I'm thinking that even if GCC 4.5 fixes the issue, people will
continue to use older GCCs for a while.