[Issue 5570] 64 bit C ABI not followed for passing structs and complex numbers as function parameters

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=5570
Issue 5570 depends on issue 9239, which changed state.

Issue 9239 Summary: x86_64 ABI: 3 byte structs are never enregistered
https://issues.dlang.org/show_bug.cgi?id=9239

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--