[Bug tree-optimization/85168] [7/8 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
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
           Priority|P3                          |P2
   Target Milestone|---                         |7.4
            Summary|ICE in tree-ssa-coalesce.c: |[7/8 Regression] ICE in
                   |SSA corruption: Unable to   |tree-ssa-coalesce.c: SSA
                   |coalesce ssa_names which    |corruption: Unable to
                   |are marked as MUST COALESCE |coalesce ssa_names which
                   |when -O2 is used            |are marked as MUST COALESCE
                   |                            |when -O2 is used

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
caused by code-hoisting but eventually latent.