[Bug tree-optimization/66794] [4.9/5 Regression] ICE at -O2 and -O3 on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66794

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |6.0
   Target Milestone|6.0                         |4.9.4
            Summary|[6 Regression] ICE at -O2   |[4.9/5 Regression] ICE at
                   |and -O3 on x86_64-linux-gnu |-O2 and -O3 on
                   |                            |x86_64-linux-gnu

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk.  The issue is latent on the branches though, possibly using
broken post-dom info.