[Bug c/123156] __builtin_shufflevector sometimes produces different result from clang

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123156

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.  The patch should cleanly pick to 14 and 15.  For GCC 13
we indeed need to sorrry(), it's too late to try to jump through hoops to work
around the VEC_PERM_EXPR limitation there.