[Bug c++/108093] Quadratic error lines printed with missing include for template with -std=c++20

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108093

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
            Summary|Quadratic error lines       |Quadratic error lines
                   |printed with missing        |printed with missing
                   |include for template        |include for template with
                   |                            |-std=c++20
      Known to fail|                            |9.1.0
   Last reconfirmed|                            |2022-12-14
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. The behavior changed between GCC 8 and GCC 9 (with -std=c++2a) which
most likely is due to implementing of some c++20 feature .