Debug info broken for gcc-4.5.0 (experimental)

Ryan Johnson ryan.johnson@cs.utoronto.ca
Wed Jul 6 07:14:00 GMT 2011


On 06/07/2011 3:09 AM, Corinna Vinschen wrote:
> On Jul  6 02:06, Ryan Johnson wrote:
>> Hi all,
>>
>> I've been using gcc-4.5.0 happily for a while, but today I had to
>> break out gdb to chase down a seg fault. Unfortunately, gdb was
>> getting line numbers completely wrong, so I had to revert to gcc-4.3
>> to work through my bug.
>>
>> Has anybody else seen this? If not, and if it's not trivial to
>> reproduce, I can cook up a minimal test case.
> The debug info in gcc-4.5 has changed in a way which older GDBs don't
> understand.  You can build GDB 7.2 yourself, that should help.
>
> Actually, Chris, we're still on GDB 6.8.  Any chance we can get an
> official 7.2 release?
Doh!

I wondered if that was it, but there wasn't an updated gdb available 
(experimental or otherwise). Silly thing is, I probably have a gdb-7.2 
sitting around somewhere that I didn't think to try.

Thanks,
Ryan


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