[Bug c++/79790] New: [C++17] ICE class template argument deduction failed

[jochen.goert...@uni-konstanz.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79790

            Bug ID: 79790
           Summary: [C++17] ICE class template argument deduction failed
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jochen.goert...@uni-konstanz.de
  Target Milestone: ---

Created attachment 40865
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40865&action=edit
Minimal test case