[Bug tree-optimization/95133] [8/9/10/11 Regression] ICE in gimple_redirect_edge_and_branch_force, at tree-cfg.c:6075

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95133

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[9/10/11 Regression] ICE in |[8/9/10/11 Regression] ICE
                   |gimple_redirect_edge_and_br |in
                   |anch_force, at              |gimple_redirect_edge_and_br
                   |tree-cfg.c:6075             |anch_force, at
                   |                            |tree-cfg.c:6075
                 CC|                            |rguenth at gcc dot gnu.org

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to James Greenhalgh from comment #2)
> Should reproduce further back if you force it on with -ftree-vectorize .
> 
> i.e.
> 
> gcc foo.c -ftree-vectorize -O3
> 
> Breaks somewhere between:
> 
> gcc version 7.0.0 20160615
> gcc version 7.0.0 20160907

You are right James, it started with r7-1820-g1174b21b388ba06e.