This DEV-only field was added in 836331ba5f69f2cc53b273ec073fae116db14302 by @sebmarkbage but it's not being used anymore to my knowledge.
break;
        case ContextProvider: {
          const newValue = workInProgress.memoizedProps.value;
          const context: ReactContext<any> = workInProgress.type._context;
          pushProvider(workInProgress, context, newValue);
          break;
        }
        case Profiler:
          if (enableProfilerTimer) {
            
            const hasChildWork = includesSomeLane(
              renderLanes,
              workInProgress.childLanes,
            );
            if (hasChildWork) {
              workInProgress.flags |= Update;
            }
            if (enableProfilerCommitHooks) {
              
              
              const stateNode = workInProgress.stateNode;
              stateNode.effectDuration = 0;
              stateNode.passiveEffectDuration = 0;
            }
          }
          break;
        case SuspenseComponent: {
          const state: SuspenseState | null = workInProgress.memoizedState;
          if (state !== null) {
            if (enableSuspenseServerRenderer) {