D-Programming-Language/dmd — pull request #3250 by AndrejMitrovic (2014-02-12 15:18:26+00:00)
Title: Make bool -> int conversion explicit to silence VC build warnings.

```
(ClCompile target) ->
template.c(6650): warning C4805: '|=' : unsafe mix of type 'int' and type 'bool' in operation [
C:\dmd-git\dmd2\src\dmd\src\dmd_ms
```

It's a pretty "meh" change, and is probably safe in D.