https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86217
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The const part is twice as the decl has TREE_READONLY set to true and the type has TYPE_READONLY is set to true.
pinskia at gcc dot gnu.org via Gcc-bugs Sun, 19 Sep 2021 19:56:19 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86217
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The const part is twice as the decl has TREE_READONLY set to true and the type has TYPE_READONLY is set to true.