[Bug c++/118454] [15 regression] ICE when building scipy-1.15.1 (hash table checking failed: equal operator returns true for a pair of values with a different hash value)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118454

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-01-13

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
It seems to me this started with r11-7011:

commit 6e0a231a4aa2407bb7167daf98a37795a67364d8
Author: Jason Merrill <ja...@redhat.com>
Date:   Wed Jan 27 17:15:39 2021 -0500

    c++: alias in qualified-id in template arg [PR98570]

That is, with the Comment 6 test and
--param=hash-table-verification-limit=9999.