message: Make iodi Compare const on redex unstable and staging
  Summary: Fixes a mac build break.
diff: @@ -1187,7 +1187,7 @@ uint32_t emit_instruction_offset_debug_info(
  uint32_t size;
  };
  struct Compare {
  - bool operator()(const MethodKey& left, const MethodKey& right) {
  + bool operator()(const MethodKey& left, const MethodKey& right) const {
  return left.size > right.size &&
  (uintptr_t)left.method > (uintptr_t)right.method;
  }
  