[Bug middle-end/68117] [6 Regression] error: invalid PHI argument <<< Unknown tree: <invalid tree code> >>>

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68117

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

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org

--- Comment #29 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 36725
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36725&action=edit
patch

Ok, that trips all over the place (a good sign that things are quite broken).
So instead of verifying we should maybe just empty the map at these points...

Like the attached which I am testing.