[Bug rtl-optimization/84101] [7/8 Regression] -O3 and -ftree-vectorize trying too hard for function returning trivial pair-of-uint64_t-structure

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84101

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
      Known to work|                            |6.3.0, 9.0
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot 
gnu.org
            Summary|[7/8/9 Regression] -O3 and  |[7/8 Regression] -O3 and
                   |-ftree-vectorize trying too |-ftree-vectorize trying too
                   |hard for function returning |hard for function returning
                   |trivial                     |trivial
                   |pair-of-uint64_t-structure  |pair-of-uint64_t-structure
      Known to fail|                            |7.1.0

--- Comment #26 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mitigation installed on trunk (sofar).  Note it's likely not a full solution.