[patch] prevent .cfi_personality/.cfi_lsda on !dwarf eh configurations

[Olivier Hainque]

> On 30 Nov 2017, at 13:04, Eric Botcazou <ebotcazou@adacore.com> wrote:
> 
>> 2017-11-30  Tristan Gingold  <gingold@adacore.com>
>> 
>>        * dwarf2out.c (dwarf2out_do_cfi_startproc): Only emit
>>        .cfi_personality or .cfi_lsda if the eh data format is dwarf2.
> 
> PR ada/81470 must be put on the first line to trigger xref in Bugzilla.

Oh, indeed. Will add if the patch gets approved. Thanks!