[Bug c++/82781] [6/7/8 Regression] Vector extension operators return wrong result in constexpr

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82781

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |5.4.0
   Target Milestone|---                         |6.5
            Summary|Vector extension operators  |[6/7/8 Regression] Vector
                   |return wrong result in      |extension operators return
                   |constexpr                   |wrong result in constexpr

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Have to write static_assert( ... ,"") with earlier compilers, but gcc-6 is the
first that fails.