Goal:
  
  ============================
   (forall (A : Type) (HA : ReflectEq A) (x y : option A),
    reflectProp (x = y) (eq_option eqb x y))


DEBUG:Going to execute:
simplify_equalities
Level 1: Backtrace:

No matching clauses for match.
Level 0: Backtrace:

No matching clauses for match.