https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68901
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu.org --- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to krux from comment #3) > Yeah the warning is for an internal data structure, > see .Lubsan_data: https://godbolt.org/z/hFo8dZ It is possible to check that some code is compiler-generated and prevent warning. Search for ARTIFICIAL in the source code (maybe UBSAN code is marked in some other special way).