avoid swallowing webpack error when entry is not found (fix #5553)
avoid swallowing webpack error when entry is not found (fix #5553)

xueyaodeai/vue,Hanks10100/vue,KingMario/vue,Jinjiang/vue,vuejs/vue,Jinjiang/vue,lizhiyao/vue,vuejs/vue,Ddder-FE/vue,Hanks10100/vue,Kingwl/vue,KingMario/vue,xueyaodeai/vue,Jinjiang/vue,xueyaodeai/vue,Hanks10100/vue,lizhiyao/vue,KingMario/vue,optimizely/vue,Ddder-FE/vue,Ddder-FE/vue,Kingwl/vue,cnchanning/vue,Jinjiang/vue,cnchanning/vue,Hanks10100/vue,Ddder-FE/vue,lizhiyao/vue,cnchanning/vue,Kingwl/vue,lizhiyao/vue,vuejs/vue,Kingwl/vue,xueyaodeai/vue,vuejs/vue,KingMario/vue