[Bug c++/98481] [10/11 Regression] std::vector::size_type as return type gets tagged with abi:cxx11

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98481

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49910
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49910&action=edit
gcc11-pr98481.patch

Untested fix.