D-Programming-Language/dmd — pull request #3750 by Trass3r (2014-07-12 14:48:19+00:00)
Title: use enums

Distilled some parts out of #650.
Enables nice VS .natvis debugger visualization (btw would people be interested in a shared natvis?)

I also turned STC into an enum, but the values are >32 bits so not sure what happens then in C++03.