[Bug tree-optimization/101606] New: std::sort generates different function for __gnu_cxx::__normal_iterator and int*

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101606

            Bug ID: 101606
           Summary: std::sort generates different function for
                    __gnu_cxx::__normal_iterator<int*,C> and int*
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: unlvsur at live dot com
  Target Milestone: ---

GCC generates more instructions for vector iterator and int*
https://godbolt.org/z/GYGszqsG3
https://godbolt.org/z/oz98vTd94
https://godbolt.org/z/nzTTTz38P

I guess this breaks lto that can merge these two functions???