Commas and semicolons counted as branches in code coverage

[MarcBanc]

Bug Report or Feature Request (mark with an x)

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

Versions.

@angular/cli: 1.1.0
node: 7.2.1
os: win32 ia32
@angular/animations: 4.1.3
@angular/cli: 1.1.0
@angular/common: 4.1.3
@angular/compiler: 4.1.3
@angular/compiler-cli: 4.1.3
@angular/core: 4.1.3
@angular/forms: 4.1.3
@angular/http: 4.1.3
@angular/platform-browser: 4.1.3
@angular/platform-browser-dynamic: 4.1.3
@angular/router: 4.1.3

Repro steps.

ng test --code-coverage

The log given by the failure.

Desired functionality.

commas and semicolons should not be counted as branches

Mention any other details that might be useful.

[filipesilva]

The code coverage pipeline has a bunch of moving parts (webpack loader, karma plugin, instanbul proper). This might be a problem in any of those. Needs investigation.

[MarcBanc]

How can i help?

[whyboris]

Can confirm the problem within my project in very many files despite 100% test coverage. For example after @Input() declarations and within the constructor after private declarations.

[sumitarora]

Duplicate of: #5871

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