This DEV-only field was added in 836331ba5f69f2cc53b273ec073fae116db14302 by @sebmarkbage but it's not being used anymore to my knowledge.
fiberTag = ContextProvider;
              break getTag;
            case REACT_CONTEXT_TYPE:
               
              fiberTag = ContextConsumer;
              break getTag;
            case REACT_FORWARD_REF_TYPE:
              fiberTag = ForwardRef;
              if (__DEV__) {
                resolvedType = resolveForwardRefForHotReloading(resolvedType);
              }
              break getTag;
            case REACT_MEMO_TYPE:
              fiberTag = MemoComponent;
              break getTag;
            case REACT_LAZY_TYPE:
              fiberTag = LazyComponent;
              resolvedType = null;
              break getTag;
          }
        }
        let info = '';
        if (__DEV__) {
          if (
            type === undefined ||
            (typeof type === 'object' &&
              type !== null &&
              Object.keys(type).length === 0)
          ) {
            info +=