message: Slight tweak to slic::detail::FalseValue for clang.
diff: @@ -607,9 +607,13 @@ namespace detail {
  * \note Workaround for warnings about constant expressions in slic macros.
  ****************************************************************************
  */
  - const struct {
  + struct FalseType
  + {
  + FalseType() {}
  inline operator bool() const { return false; }
  - } false_value;
  + };
  +
  + static const FalseType false_value;
  } /* namespace detail */
  