https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86191
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jason at gcc dot gnu.org
Known to work| |4.4.7
Summary|A missing error message? |[6/7/8/9 Regression] A
| |missing error message?
Known to fail| |4.5.0, 6.4.0, 7.3.0, 8.1.0,
| |9.0
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It stopped being ambiguous with r153957
PR c++/41703
* pt.c (check_undeduced_parms): New subroutine of...
(more_specialized_fn): ...here. Undeduced template parms can make
a template less specialized than another.
