Repro: https://codesandbox.io/s/fast-water-4i4jb

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
if (__DEV__) {
      if (disableLegacyContext && Component.contextTypes) {
        console.error(
          '%s uses the legacy contextTypes API which is no longer supported. ' +
            'Use React.createContext() with React.useContext() instead.',
          getComponentName(Component) || 'Unknown',
        );
      }
      if (
        debugRenderPhaseSideEffectsForStrictMode &&
        workInProgress.mode & StrictMode
      ) {
        value = renderWithHooks(
          null,
          workInProgress,
          Component,
          props,
          context,
          renderExpirationTime,
        );
      }
    }
    reconcileChildren(null, workInProgress, value, renderExpirationTime);
    if (__DEV__) {
      validateFunctionComponentInDev(workInProgress, Component);
    }
    return workInProgress.child;
  }
}
function validateFunctionComponentInDev(workInProgress: Fiber, Component: any) {