[Bug tree-optimization/90006] [7/8 Regression] gcc loops indefinitely around vect_get_constant_vectors on -O2 -ftree-slp-vectorize -fno-math-errno

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90006

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |9.0
            Summary|[7/8/9 Regression] gcc      |[7/8 Regression] gcc loops
                   |loops indefinitely around   |indefinitely around
                   |vect_get_constant_vectors   |vect_get_constant_vectors
                   |on -O2 -ftree-slp-vectorize |on -O2 -ftree-slp-vectorize
                   |-fno-math-errno             |-fno-math-errno
      Known to fail|9.0                         |

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
See also Richards followup r270222 when backporting.