https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100685
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot
gnu.org
Ever confirmed|0 |1
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2021-05-20
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> IIRC we changed behavior so that optimize appends to the global options,
> thus optimize("no-tree-pre") gives you -O2 -fno-tree-pre instead of
> -O0 -fno-tree-pre.
Not yet, the patch was sent but then I decided to postpone it for GCC 12.
>
> But -O2 -O1 should still get you -O1 and thus the same as -O1 stand-alone.
> So sth is broken it seems?
>
> push_options simply haves the old state for restore, it does not stash
> away previous applied options.
I'll investigate what has changed in GCC 11.
