2.36 Branch imminent

[Pedro Alves]

On 12/15/20 5:25 PM, H.J. Lu via Binutils wrote:
> On Tue, Dec 15, 2020 at 9:15 AM Tom Tromey <tom@tromey.com> wrote:
>>> Toplevel files are shared with GCC.  But my changes are disabled for GCC.
>>> I got no feedbacks from GCC nor GDB developers.  What should I do next?
>> I looked at the link and didn't see any changes to gdb in there; and it
>> didn't seem to be CC'd to gdb-patches (?).  So in this situation I
>> wouldn't expect a response from gdb developers.
>>
> https://sourceware.org/pipermail/gdb-patches/2020-December/174120.html
> 
> Someone needs to try PGO and LTO build with GDB.   "make check" in GDB
> can be used for PGO training.

GDB still has a lot of ODR violations, structures with the same name but different
definitions in different compile units.  Maybe it's OK in practice as these are largely
POD structs, I'm not sure, but I wouldn't trust an optimized LTO GDB build today,
until the ODR violations are sorted out.

Pedro Alves