[Issue 17717] C++ files not always recompiled when changed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17717

--- Comment #2 from bitwise <nicolas.jinchereau at gmail.com> ---
@Rainer Schuetze

I would have to check again. I was using DMD/DMC at the time, but switched to
ldc/clang shortly after to get C++11 support.

I'll try to reproduce the bug and get back to you.

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