[Bug ipa/122058] [16 regression] ICU miscompiled with -O2 -flto -fno-semantic-interposition since r16-4000-g9ee937b2f92a93

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122058

--- Comment #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The whole template IcuCApiHelper looks very much questionable.
It converts between a "C" struct to a "C++" type and I suspect there might be
some aliasing issues around that but I am not 100% sure that is the issue here.