Function pushSuspenseContext

lib/assets/react-source/development/react.js:18200–18202

(fiber, newContext)

	  return parentContext | subtreeContext;
	}
	function pushSuspenseContext(fiber, newContext) {
	  push(suspenseStackCursor, newContext, fiber);
	}
	function popSuspenseContext(fiber) {
	  pop(suspenseStackCursor, fiber);
	}