fix sjlj eh vs dwarf2 debug

[Andrew Cagney]

>>>>>> "Richard" == Richard Henderson <rth@redhat.com> writes:
> 
> 
>> On Tue, Aug 14, 2001 at 12:16:28PM -0700, Richard Henderson wrote:
> 
>>> * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
>>> if USING_SJLJ_EXCEPTIONS.
> 
> 
>> Actually, I take that back.  Now that we are (or may be) encoding
>> .eh_frame data in non-standard ways, we should probably not try to
>> emit only one of .eh_frame or .debug_frame.  That way the debugger
>> doesn't have to care about whatever funnies we do with augmentation.
> 
> 
>> Jason, what are your thoughts?
> 
> 
> That makes sense to me.  What do gdb folks think?

This won't affect GDB(1). I'd go with what ever the current 
interpretation of the standards are.

	Andrew

(1) because as far as I can tell, no one has extended GDB's throw/catch 
code (contributed by HP) to support anything beyond HP's C++ compiler.