Evaluate new Visual Studio 2017 /permissive- compiler option

[j-o]

(note the -, i.e., disable permissive mode) This disables Microsoft-specific language extensions. Sounds similar to gcc's non-permissive mode (which is the default).

[j-o]

https://docs.microsoft.com/en-us/cpp/build/reference/permissive-standards-conformance

[scheibel]

I think this will be a valuable option, although I don't know anyone of our development team that is unaware of unstandardized MSVC C++ features and uses them.