uglify-js@2.8.0 breaks build 🚨

[greenkeeperio-bot]

Hello lovely humans,

uglify-js just published its new version 2.8.0.

State	Failing tests 🚨
Dependency	uglify-js
New version	2.8.0
Type	devDependency

This version is covered by your current version range and after updating it in your project the build went from success to failure.

As uglify-js is “only” a devDependency of this project it might not break production or downstream projects, but “only” your build or test tools – preventing new deploys or publishes.

I recommend you give this issue a high priority. I’m sure you can resolve this 💪

Of course this could just be a false positive, caused by a flaky test suite, or third parties that are currently broken or unavailable, but that would be another problem I’d recommend working on.

Do you have any ideas how I could improve these pull requests? Did I report anything you think isn’t right?
Are you unsure about how things are supposed to work?

There is a collection of frequently asked questions and while I’m just a bot, there is a group of people who are happy to teach me new things. Let them know.

Good luck with your project ✨

You rock!

🌴

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The new version differs by 160 commits .

• 0b0296e v2.8.0
• 872270b improve error messages (#1506)
• b1c593a add harmony branch details in README (#1507)
• 13be50a faster tree transversal (#1462)
• 16cd5d5 consolidate evaluate & reduce_vars (#1505)
• 834f9f3 update docs for pure_funcs & drop_console (#1503)
• cf0951f allow --in-source-map inline (#1490)
• 852f784 Avoid using exports when undefined (#1471)
• 229e42c Merge pull request #1485 from alexlamsl/merge-2.8.0
• 4e49302 enable collapse_vars & reduce_vars by default
• 1e51586 Support marking a call as pure
• d48a308 Fix: AST_Accessor missing start / end tokens
• 26fbeec fix pure_funcs & improve side_effects
• 8898b8a clean up max_line_len
• ec64acd introduce unsafe_proto

There are 160 commits in total. See the full diff.

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