[Bug c++/90019] [8 regression] Bogus ambiguous overload error for NTTP pack of disjoint enable_ifs unless there is an unsupplied default argument

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90019

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |7.4.0, 9.0
            Version|9.0                         |8.3.0
           Keywords|                            |rejects-valid
   Last reconfirmed|                            |2019-04-09
     Ever confirmed|0                           |1
   Target Milestone|---                         |8.4
      Known to fail|                            |8.1.0, 8.3.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Also seems to work on trunk, but it seems it was only fixed recently.  So maybe
this one has a duplicate.