[Bug other/51153] OpenACC implementation

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51153
Bug 51153 depends on bug 64950, which changed state.

Bug 64950 Summary: postpone expanding va_arg till pass_stdarg
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64950

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED