[Bug tree-optimization/85168] [7 Regression] ICE in tree-ssa-coalesce.c: SSA corruption: Unable to coalesce ssa_names which are marked as MUST COALESCE when -O2 is used

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85168

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |8.0
            Summary|[7/8 Regression] ICE in     |[7 Regression] ICE in
                   |tree-ssa-coalesce.c: SSA    |tree-ssa-coalesce.c: SSA
                   |corruption: Unable to       |corruption: Unable to
                   |coalesce ssa_names which    |coalesce ssa_names which
                   |are marked as MUST COALESCE |are marked as MUST COALESCE
                   |when -O2 is used            |when -O2 is used
      Known to fail|                            |7.3.0

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.