[Bug c++/127668] GCC `__builtin_bitreverseg` ICEs (segfault in the C++ mangler) when applied to a dependent operand in a template signature

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127668

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-09-29
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
clang uses __builtin_bswapg for __builtin_bswapg.

Eg. _Z1fIjEDTclL_Z16__builtin_bswapgEfp_EET_ for the testcase in comment #1 .