[Bug libstdc++/117889] [15 regression] Failure to build qtwebengine-6.8.1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117889

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
Trying to reduce it but not convinced it'll turn out useful.