Production build fails

[AmitMY]

Bug Report or Feature Request (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request

Versions.

@angular/cli: 1.4.1
node: 8.4.0
os: win32 x64
@angular/animations: 4.3.6
@angular/common: 4.3.6
@angular/compiler: 4.3.6
@angular/core: 4.3.6
@angular/forms: 4.3.6
@angular/http: 4.3.6
@angular/platform-browser: 4.3.6
@angular/platform-browser-dynamic: 4.3.6
@angular/router: 4.3.6
@angular/cli: 1.4.1
@angular/compiler-cli: 4.3.6
@angular/language-service: 4.3.6
typescript: 2.3.4

Repro steps.

ng build --prod

The log given by the failure.

ng build --prod
Date: 2017-09-10T14:08:09.449Z
Hash: 1597dc528e5411ab3bb4
Time: 17346ms
chunk {0} polyfills.67d068662b88f84493d2.bundle.js (polyfills) 64.1 kB {4} [initial] [rendered]
chunk {1} main.2337b90653a0c45c31e8.bundle.js (main) 23.7 kB {3} [initial] [rendered]
chunk {2} styles.d099489fcced365e3169.bundle.css (styles) 18 kB {4} [initial] [rendered]
chunk {3} vendor.5c27761de53ff74202e9.bundle.js (vendor) 1.81 MB [initial] [rendered]
chunk {4} inline.2a33c113af51e7e703d8.bundle.js (inline) 1.45 kB [entry] [rendered]

ERROR in vendor.5c27761de53ff74202e9.bundle.js from UglifyJs
Name expected [vendor.5c27761de53ff74202e9.bundle.js:16309,18]

Desired functionality.

Either a more readable error, or for it to work

Mention any other details that might be useful.

Trying to build https://github.com/Webiks/force-horse-demo
It is in early stages, so it uses a local dependency in the styles.css file, which if you want to build locally you need to remove (first line of that file)

[wingsbob]

I think all these issues are supposed to be gathered in #2907

[filipesilva]

This issue is a duplicate of #5741. If you turn sourcemaps on you will see the cause of the error.

kamik@T460p MINGW64 D:/sandbox/force-horse-demo (master)
$ ng build --prod --sourcemap
Date: 2017-09-25T16:56:29.701Z
Hash: 06391c163276f0cc604a
Time: 17824ms
chunk {0} polyfills.5c955edf4d00da5aa0c4.bundle.js, polyfills.5c955edf4d00da5aa0c4.bundle.js.map (polyfills) 64.1 kB {4} [initial] [rendered]
chunk {1} main.3255f15663b5c44e7a15.bundle.js, main.3255f15663b5c44e7a15.bundle.js.map (main) 24 kB {3} [initial] [rendered]
chunk {2} styles.7411b9041dad72eeed20.bundle.css, styles.7411b9041dad72eeed20.bundle.css.map (styles) 80 bytes {4} [initial] [rendered]
chunk {3} vendor.b2354de14cefc17d1ccb.bundle.js, vendor.b2354de14cefc17d1ccb.bundle.js.map (vendor) 1.8 MB [initial] [rendered]
chunk {4} inline.d4208ee074e515fb2fcf.bundle.js, inline.d4208ee074e515fb2fcf.bundle.js.map (inline) 1.51 kB [entry] [rendered]

ERROR in vendor.b2354de14cefc17d1ccb.bundle.js from UglifyJs
Name expected [D:/sandbox/force-horse-demo/node_modules/force-horse/src/helpers/debug-logger/debug-logger.js:1,0][vendor.b2354de14cefc17d1ccb.bundle.js:16320,18]

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