https://bugs.winehq.org/show_bug.cgi?id=38886
--- Comment #9 from André H. nerv@dawncrow.de --- just for future reference, because it is not that easy to find all the pieces, the story goes:
Much earlier for x86_64 varargs ( https://bugs.llvm.org/show_bug.cgi?id=8851 ): { r186144:
https://github.com/llvm-mirror/llvm/commit/ac226bbf457f6b5e5210a4a82b1ce6782...
r189644:
https://github.com/llvm-mirror/clang/commit/e8519c31a6ef853b627d557702ac1890...
r245990:
https://github.com/llvm-mirror/llvm/commit/7e96f0f6fffbdebfdac238ae76cc3a791... discussions: http://reviews.llvm.org/D1622
r247941:
https://github.com/llvm-mirror/clang/commit/69b5694b76d36fde04c1f3511459a575... discussions: http://reviews.llvm.org/D1623 }
r308208: https://github.com/llvm-mirror/llvm/commit/6c132cb749932c66a27c9e19ea5426173... discussions: https://reviews.llvm.org/D34474
r308209: https://github.com/llvm-mirror/clang/commit/ebe8bde59376321af40abf168495ef8d...
r308218: https://github.com/llvm-mirror/clang/commit/ba419afb8473f35d5e1d3931c9e88911... discussions: https://reviews.llvm.org/D34475