[Bug c++/125635] [modules] failed to load pendings for std::__cxx11::list after unused module import

"ppalka at gcc dot gnu.org via Gcc-bugs" <[email protected]> Fri, 31 Jul 2026 23:04:45 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125635

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|c++26                       |
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
                 CC|                            |ppalka at gcc dot gnu.org
   Last reconfirmed|                            |2026-07-31
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=125144

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
We're hitting set_overrun when streaming in a tt_clone_ref tag, same as in
PR125144. Seems to have started with r15-98 "c++: Implement modules ABI for
vtable emissions". -std=c++26 not necessary, -std=c++20 suffices.