https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77996
--- Comment #10 from Yichao Yu <yyc1992 at gmail dot com> --- That does look like an violation (this particular one should be hidden behind shared library boundary in the reduced case though). Reported to LLVM at https://llvm.org/bugs/show_bug.cgi?id=30711 .
