D-Programming-Language/dmd — pull request #3997 by WalterBright (2014-09-16 09:35:09+00:00)
Title: add C++ mangling c_long and c_ulong

Similar to the c_long_double change.
Also changes the Elf mangling of `long` and `ulong` on 64 bit Elf to be `x` and `y`, so it won't conflict with the long mangling.