[Bug c++/111890] New: ICE in build_new_op, friend operator in nested template specialization with constrained return type

[kcayimckaghxtnkrvg at cwmxc dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111890

            Bug ID: 111890
           Summary: ICE in build_new_op, friend operator in nested
                    template specialization with constrained return type
           Product: gcc
           Version: 13.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: kcayimckaghxtnkrvg at cwmxc dot com
  Target Milestone: ---

I have encountered ICE when writing this demo code:
https://godbolt.org/z/qTsPh5PbW
I don't have shorter repro case, sorry. The code compiles fine with clang.