RC4 webpack error
[issue link]I am getting the following error when building nuxt.
ERROR in manifest.c2ed139d3924c6a30585.js from UglifyJs TypeError: Cannot read property 'reset' of undefined at /Users/timebro/timeBro/git/azureTest/server/node_modules/uglifyjs-webpack-plugin/dist/index.js:96:21 at Array.forEach (native) at Compilation.<anonymous> (/Users/timebro/timeBro/git/azureTest/server/node_modules/uglifyjs-webpack-plugin/dist/index.js:54:20) at next (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:204:14) at Compilation.compilation.plugin (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/ProgressPlugin.js:119:6) at Compilation.applyPluginsAsyncSeries (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:206:13) at self.applyPluginsAsync.err (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/Compilation.js:640:10) at next (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:202:11) at Compilation.compilation.plugin.callback (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/ProgressPlugin.js:115:6) at Compilation.applyPluginsAsyncSeries (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:206:13) at sealPart2 (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/Compilation.js:636:9) at next (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:202:11) at Compilation.compilation.plugin (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/ProgressPlugin.js:111:6) at Compilation.applyPluginsAsyncSeries (/Users/timebro/timeBro/git/azureTest/server/node_modules/tapable/lib/Tapable.js:206:13) at Compilation.seal (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/Compilation.js:579:8) at applyPluginsParallel.err (/Users/timebro/timeBro/git/azureTest/server/node_modules/webpack/lib/Compiler.js:514:17)