message: Document fields of LabelContext
diff: @@ -11,10 +11,10 @@ namespace
  {
  struct LabelContext
  {
  - const Instr* pc = nullptr;
  - const uint8_t* immediate = nullptr;
  - size_t arity = 0;
  - size_t stack_height = 0;
  + const Instr* pc = nullptr; ///< The jump target instruction.
  + const uint8_t* immediate = nullptr; ///< The jump target immediate pointer.
  + size_t arity = 0; ///< The type arity of the label instruction.
  + size_t stack_height = 0; ///< The stack height at the label instruction.
  };
  void match_imported_functions(const std::vector<TypeIdx>& module_imported_types,
  