------- Additional Comments From dberlin at gcc dot gnu dot org 2005-04-20
14:27 -------
Subject: Re: New: avr-gcc does not output Dwarf 2
information to track optimized variables' locations
On Wed, 2005-04-20 at 06:40 +0000, tsandnes at atmel dot com wrote:
> The dwarf debug information has mechanisms for keeping track of variables
> whose
> location changes during the execution of a program. This informationis stored
> in
> an objectfile section called .debug_loc. This is not output by avr-gcc when
> optimization is turned on and one should expect this information to be output.
>
This is fixed in 4.0, where we track and generate location lists for
optimized variables.
The feature never made it into 3.4 (it missed it by a few weeks).
Check the mailing lists and you'll see there was a push to get it into
3.4 that failed.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21119
