code: function setInvalid(node) {
              const segments = funcInfo.codePath.currentSegments;
  
              for (let i = 0; i < segments.length; ++i) {
                  const segment = segments[i];
  
                  if (segment.reachable) {
                      segInfoMap[segment.id].invalidNodes.push(node);
                  }
              }
          }
docs: Sets a given node as invalid.
  @param {ASTNode} node - A node to set as invalid. This is one of
  a ThisExpression and a Super.
  @returns {void}