[PATCH][last/n] LTO type merging cleanup

[Richard Guenther]

On Mon, May 23, 2011 at 5:34 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Mon, May 23, 2011 at 8:18 AM, Richard Guenther <rguenther@suse.de> wrote:
>>
>> This is the last (planned) bit for the regular type merging machinery
>> (there is still some issues with TYPE_CANONICAL that I will try to
>> address next).  It avoids merging types which have different names
>> as that leads to interesting debuginfo issues.
>>
>> LTO-bootstrapped and tested on x86_64-unknown-linux-gnu, SPEC 2k6
>> non--g built (w/o any but the TYPE_CANONICAL issues), SPEC 2k6 -g
>> build running.
>>
>> Richard.
>>
>> 2011-05-23  Richard Guenther  <rguenther@suse.de>
>>
>>        * gimple.c (gimple_types_compatible_p_1): Always compare type names.
>>        (iterative_hash_gimple_type): Always hash type names.
>>
>
> Will it fix
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49078

That's very unlikely as it is a TYPE_CANONICAL issue.

Richard.