D-Programming-Language/dmd — pull request #1338 by rainers (2012-11-30 09:38:49+00:00)
Title: fix issue 9093: C++ symbol mangling for Win64

So far, there is no name mangling for Win64, but the mangling is the same as for win32 but for a modifier for 64-bit pointers. So this patch enables it for the COFF output.