[Bug c++/119580] [12/13/14/15 Regression] ICE: tree check: expected tree_vec, have error_mark in comp_template_args, at cp/pt.cc:9595

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119580

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
     Ever confirmed|0                           |1
            Summary|ICE: tree check: expected   |[12/13/14/15 Regression]
                   |tree_vec, have error_mark   |ICE: tree check: expected
                   |in comp_template_args, at   |tree_vec, have error_mark
                   |cp/pt.cc:9595               |in comp_template_args, at
                   |                            |cp/pt.cc:9595
           Priority|P3                          |P2
   Last reconfirmed|                            |2025-04-01
             Status|UNCONFIRMED                 |NEW
                 CC|                            |mpolacek at gcc dot gnu.org
   Target Milestone|---                         |12.5

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r10-7816:

commit 7fcb93431ef18a31c9af142f77faa176bbd9b3dc
Author: Nathan Sidwell <nat...@acm.org>
Date:   Mon Apr 20 06:48:45 2020 -0700

    c++: Expr pack expansion equality [pr94454]