[Bug tree-optimization/123672] [15/16 Regression] __builtin_shufflevector() produces incorrect code with -ftree-forwprop

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123672

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |14.3.0
            Summary|[14/15 Regression]          |[15/16 Regression]
                   |__builtin_shufflevector()   |__builtin_shufflevector()
                   |produces incorrect code     |produces incorrect code
                   |with -ftree-forwprop        |with -ftree-forwprop
           Priority|P3                          |P2
      Known to fail|                            |15.1.0, 16.0