[Bug c++/116928] Error on NTTP with '>' in braced default

[eczbek.void at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116928

--- Comment #2 from eczbek.void at gmail dot com ---
I made a patch: https://gcc.gnu.org/pipermail/gcc-patches/2025-June/685831.html