code: function getContinueContext(state, label) {
      if (!label) {
          return state.loopContext;
      }
  
      let context = state.loopContext;
  
      while (context) {
          if (context.label === label) {
              return context;
          }
          context = context.upper;
      }
  
      /* istanbul ignore next: foolproof (syntax error) */
      return null;
  }
docs: Gets a loop-context for a `continue` statement.
  
  @param {CodePathState} state - A state to get.
  @param {string} label - The label of a `continue` statement.
  @returns {LoopContext} A loop-context for a `continue` statement.