[Bug c++/118773] [15 Regression] Invalid rejection of attribute with dependent argument since r15-3046

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118773

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 60398
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60398&action=edit
gcc15-pr118773.patch

Untested fix.