https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112732
--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:e7879391bb2b86606d0ce35ed97eccc108970e36 commit r11-11561-ge7879391bb2b86606d0ce35ed97eccc108970e36 Author: Richard Biener <rguent...@suse.de> Date: Tue Nov 28 12:36:21 2023 +0100 middle-end/112732 - stray TYPE_ALIAS_SET in type variant The following fixes a stray TYPE_ALIAS_SET in a type variant built by build_opaque_vector_type which is diagnosed by type checking enabled with -flto. PR middle-end/112732 * tree.c (build_opaque_vector_type): Reset TYPE_ALIAS_SET of the newly built type. (cherry picked from commit f26d68d5d128c86faaceeb81b1e8f22254ad53df)